Liste Brauner Zwerge

In dieser Liste sind einige Braune Zwerge verzeichnet.

Um Sterne kreisende Braune Zwerge

(Quelle: [1])

SternRektaszensionDeklinationSpektral-
klasse
Brauner ZwergMasse
(MJ)
Umlaufzeit
(d)
Große Halbachse
(AE)
Exzen-
trizität
Bemerkungen
54 Piscium00h 39m 21,8s2211501.7+21° 15′ 01.7″K0 V54 Piscium B50???Zentralstern wird zusätzlich auch noch von einem Exoplaneten umrundet
GJ 104802h 36m 00,8s1766883.2−23° 31′ 16.8″K2 VGJ 1048 B????
BD −4° 7824190904h 19m 09s1957495−4° 25′ 05″K5 VBD −4° 782 B21219,760,7?
Gliese 2296103506h 10m 35s1487858−51° 21′ 42″M1 VGliese 229 B40?40?erster zweifelsfrei nachgewiesener Brauner Zwerg
G 196-310042210h 04m 22s2502323+50° 23′ 23″M2.5 VG 196-3 B25?300?
HD 8970710205010h 20m 50s1847152.3−15° 28′ 47.7″G1 VHD 89707 B????
HD 9823011h 18m 12,5s2313215+31° 32′ 15″F8.5 VHD 98230 B375,3640,06?
HD 16844318h 20m 03,9s1906455.4−9° 35′ 44.6″G6HD 168443 C182,91??
15 Sagittae20h 04m 06,2s2170412.6+17° 04′ 12.6″G1 V15 Sagittae B65?14?
HD 20220621h 14m 57,8s1794279.9−20° 57′ 20.1″G6 VHD 202206 B172760,83?
Wolf 94021h 46m 38,83s1998961.3−0° 10′ 38.7″T8,5Wolf 940B20–306574500440?
Epsilon Indi22h 03m 21,7s1435290.5−56° 47′ 09.5″K4 VEpsilon Indi Ba47359,30,99?
Epsilon Indi Bb28780,641,7?
Kappa Andromedae23h 40m 24,5s2442000.2+44° 20′ 0.2″B9 IVnKappa Andromedae b50?55?

| TYC 9486-927-1 21h 26m 29,3s || Aufruf der Vorlage:Deklination mit unerlaubten Parametern! || M1V | 2MASS J2126-8140 || 13.3 || 328725000 || 6900 || ? ||

Braune Zwerge, die keine Sterne umkreisen

(Quelle: [1])

Brauner ZwergRektaszensionDeklinationSternbildScheinbare J-Helligkeit / magSpektralklasseBemerkungen
2MASS J00001354+255418000h 00m 13,5s2255418+25° 54′ 18″Peg15,06 + 0,04T 4.5
ULAS J002422.94+002247.900h 24m 22,9s2002247+0° 22′ 47″Psc T 4.5
ULAS J003402.77-005206.700h 34m 02,7s1994794−0° 52′ 06″Cet T 8.5
2MASS J00345157+052305000h 34m 51,57s2052305.5+5° 23′ 05.5″Psc T 6.5
2MASS J00501994-332240200h 50m 19,9s1667760−33° 22′ 40″  T 7
CFBDS J005910.90−011401.300h 59m 10,9s1988599−1° 14′ 01″  T 9
ULAS J013117.53−003128.601h 31m 17,53s1996871.4−0° 31′ 28.6″Cet T 3
ULAS J013939.77+004813.801h 39m 39,8s2004814+0° 48′ 14″  T7.5außergewöhnlich tiefer J−H-Index von ca. −0,7
2MASS J01514155+124430015141.5501h 51m 41.55s2124430+12° 44′ 30.0″Ari T 1
ULAS J020336.94−010231.102h 03m 36,94s1989768.9−1° 02′ 31.1″Psc18,05 ± 0,05T5
SDSS J020742.48+000056.202h 07m 42,9s2000056+0° 00′ 56″Cet16,73 ± 0,01T 4.5
ULAS J022200.43−002410.502h 22m 00,43s1997589.5−0° 24′ 10.5″Cet18,71 ± 0,02T5
IfA 0230-Z102h 26m 37,6s2005155+0° 51′ 55″Cet18T3
2MASS J02431371-245329824313.7102h 43m 13.71s1754670.2−24° 53′ 29.8″  T 6V
SDSS J024749.90−163112.624749.7802h 47m 49.78s1836886.8−16° 31′ 13.2″  T 2
T0 + T7
Kandidat für Doppelsystem
2MASS J03202839-0446358 B03h 20m 28,4s1955364−4° 46′ 36″  T5 ± 1
WISE 0350−5658
WISE J035000.32−565830.2
03h 50m 00,3s1434170−56° 58′ 30″Ret> 22,8Y1einer der nächsten bekannten Braunen Zwerge
SDSS J032553.17+042540.103h 25m 53,2s2042540+4° 25′ 40″Tau15,9T5.5 (IR)
2MASS J03480772-602227034807.7203h 48m 07.72s1397773−60° 22′ 27.0″  T 7
Roque 2534830.603h 48m 30.6s2224450+22° 44′ 50″  L 
ULAS J034832.97−001258.303h 48m 32,97s1998741.7−0° 12′ 58.3″  T
SDSS J035104.37+481046.83510403h 51m 04s2481080+48° 10.8′ 0″Perca. 15,9ca. T1Chiu et al., 2006
2MASS J04070885+151456540708.8504h 07m 08.85s2151456.5+15° 14′ 56.5″  T 5
2MASS J04151954-093506641519.5404h 15m 19.54s1906493.4−9° 35′ 06.6″  T 8V
2MASS J05103520−420814005h 10m 35,20s1579186−42° 08′ 14.0″Col T5
2MASS J05160945-044549951609.4505h 16m 09.45s1955450.1−4° 45′ 49.9″  T 5.5
2MASS J05591914-140448855919.1405h 59m 19.14s1859551.2−14° 04′ 48.8″  T 4.5
2MASS J06020638+404358806h 02m 06,38s2404358.8+40° 43′ 58.8″Aurca. 15,5T4.5Burgasser et al., 2007
LSR 0602+391006h 02m 30,5s2391059+39° 10′ 59″Aur12,29 ± 0,03L1
2MASS J07271824+171001272718.2407h 27m 18.24s2171001.2+17° 10′ 01.2″  T 7
2MASS J07290002-395404372900.0207h 29m 00.02s1604595.7−39° 54′ 04.3″  T 8
SDSS J073922.26+661503.507h 39m 22,3s2661504+66° 15′ 04″  T1.5
2MASS J07414920+235127574149.207h 41m 49.20s2235127.5+23° 51′ 27.5″  T 5
2MASS J07420130+205519874201.307h 42m 01.30s2205519.8+20° 55′ 19.8″  T 5
2MASS J07554795+221216975547.9507h 55m 47.95s2221216.9+22° 12′ 16.9″  T 5
2MASS J07584037+324724575840.3707h 58m 40.37s2324724.5+32° 47′ 24.5″  T 2
ULAS J082327.46+002424.408h 23m 27,46s2002424.4+0° 24′ 24.4″Hya18,57 ± 0,05T4Pinfield et al., 2008[2]
ULAS J082707.67-020408.282707.6708h 27m 07.67s1979591.8−2° 04′ 08.2″  T 5.5
2MASS J08304878+012831183048.7808h 30m 48.78s2012831.1+1° 28′ 31.1″  T 4.5
SDSS J083717.22-000018.383717.1808h 37m 17.18s1999982.1−0° 00′ 17.9″  T 0.5
ULAS J083756.19-004156.083756.1908h 37m 56.19s1995844−0° 41′ 56.0″  T 3
2MASS J08583467+325627585834.6708h 58m 34.67s2325627.5+32° 56′ 27.5″  T 1
ULAS J085910.69+101017.185910.6908h 59m 10.69s2101017.1+10° 10′ 17.1″Cnc17,88 ± 0,06T 7Pinfield et al., 2008; niedrige Helligkeit im Y-Band, ungewöhnlich roter H−K-Farbindex[2]
ULAS J090116.23-030635.090116.2309h 01m 16.23s1969365−3° 06′ 35.0″  T 7.5
2MASS J09090085+652527590900.8509h 09m 00.85s2652527.5+65° 25′ 27.5″UMa16,03 ± 0,09T 1.5keine besondere Variabilität bei Untersuchung von Hubble-Daten festgestellt[3]; Identifikation: Chiu et al., 2006
2MASS J09201223+351742992012.2309h 20m 12.23s2351742.9+35° 17′ 42.9″  T 0p
2MASS J09261537+584721292615.3709h 26m 15.37s2584721.2+58° 47′ 21.2″  T 4.5
2MASS J09373487+293140993734.8709h 37m 34.87s2293140.9+29° 31′ 40.9″  T 6
ULAS J093829.28−001112.609h 38m 29,28s1998887.4−0° 11′ 12.6″Hya18,53 ± 0,06T4.5Pinfield et al., 2008[2]
2MASS J09393548-244827993935.4809h 39m 35.48s1755172.1−24° 48′ 27.9″  T 8
ULAS J093951.04+001653.609h 39m 51,04s2001653.6+0° 16′ 53.6″Hya17,96 ± 0,03T5.5Pinfield et al., 2008[2]
ULAS J094806.06+064805.094806.0609h 48m 06.06s2064805+6° 48′ 05.0″  T 7
2MASS J09490860-154548594908.609h 49m 08.60s1845451.5−15° 45′ 48.5″  T 2
ULAS J095829.86−003932.095829.8609h 58m 29.86s1996068−0° 39′ 32.0″Sex18,95 ± 0,06T 5.5Pinfield et al., 2008[2]
CFBDS J095914+0236559591409h 59m 14s2023655+2° 36′ 55″  T 3
CFBDS J100113+02262210011310h 01m 13s2022622+2° 26′ 22″Sexca. 17,9T 5µα∙cos(δ) = −90,21 ± 13,7 mas/a
µδ = +49,41 ± 14,23 mas/a
Entdeckung: Delorme et al., 2008
2MASS J10073369−455514710h 07m 33,69s1544485.3−45° 55′ 14.7″UMa T5
ULAS J100759.90-010031.1100759.910h 07m 59.90s1989968.9−1° 00′ 31.1″  T 5.5
ULAS J101821.78+072547.1101821.7810h 18m 21.78s2072547.1+7° 25′ 47.1″  T 5
2MASS J10210969-0304197102109.6910h 21m 09.69s1969580.3−3° 04′ 19.7″  T 3
Teide 13471803h 47m 18.0s2242231+24° 22′ 31″  M 8
SDSS J011912.22+240331.611912.0701h 19m 12.07s2240331.7+24° 03′ 31.7″  T 2
2MASS J03061159-3647528103931.3710h 39m 31.37s2325626.3+32° 56′ 26.3″  T 1
2MASS J10475385+2124234104753.8510h 47m 53.85s2212423.4+21° 24′ 23.4″  T 6.5V
SDSS J104829.21+091937.810h 48m 29,2s2091938+9° 19′ 38″Leo16,4T2.5
2MASS J10521350+4422559105213.510h 52m 13.50s2442255.9+44° 22′ 55.9″  T 0.5
SDSS J110454.25+554841.411h 04m 54,3s2554841+55° 48′ 41″UMa T 0
2MASS J11061197+2754225110611.9711h 06m 11.97s2275422.5+27° 54′ 22.5″  T 2.5
2MASS J11101001+0116130111010.0111h 10m 10.01s2011613+1° 16′ 13.0″  T 5.5
2MASS J11145133-2618235111451.3311h 14m 51.33s1738176.5−26° 18′ 23.5″  T 7.5
2MASS J11220826-3512363112208.2611h 22m 08.26s1648763.7−35° 12′ 36.3″  T 2
2MASS J11463449+2230527114634.4911h 46m 34.49s2223052.7+22° 30′ 52.7″  T 3
ULAS J115038.79+094942.911h 50m 38,8s2094943+9° 49′ 43″Vir18,68 ± 0,04 ungewöhnliches Spektrum, möglicherweise ein Objekt hoher Metallizität und geringer Oberflächenschwere; Pinfield et al., 2008[2]
SDSS J115700.50+061105.2115700.4911h 57m 00.49s2061105.2+6° 11′ 05.2″  T 1.5
ULAS J115759.04+092200.7115759.0411h 57m 59.04s2092200.7+9° 22′ 00.7″  T 2.5
SDSS J120602.51+281328.7120602.512h 06m 02.5s2281329+28° 13′ 29″  T 3
2MASS J12095613−100400812h 09m 56,1s1899599−10° 04′ 01″  ca. T2 + T7
2MASS J12144089+6316434121440.8912h 14m 40.89s2631643.4+63° 16′ 43.4″  T 3.5
2MASS J12154432−342059112h 15m 44,32s1657940.9−34° 20′ 59.1″Hyaca. 16,2T4.5
2MASS J12165918+300305412h 16m 59,2s2300305.4+30° 03′ 05.4″Com16,89L3.5
2MASS J12171110-0311131121711.112h 17m 11.10s1968886.9−3° 11′ 13.1″  T 7V
2MASS J12255432-2739466122554.3212h 25m 54.32s1726053.4−27° 39′ 46.6″  T 6
2MASS J12314753+0847331123147.5312h 31m 47.53s2084733.1+8° 47′ 33.1″  T 5.5
2MASS J12373919+6526148123739.1912h 37m 39.19s2652614.8+65° 26′ 14.8″  T 6.5V
SDSS J125011.65+392553.912h 50m 11,7s2392554+39° 25′ 54″CVn16,5T4
SDSSp J125453.90−012247.412h 54m 53,9s1987753−1° 22′ 47″Vir14,9T2
ULAS J130303.54+001627.7130303.5413h 03m 03.54s2001627.7+0° 16′ 27.7″  T 5.5
ULAS J131508.42+082627.4131508.4213h 15m 08.42s2082627.4+8° 26′ 27.4″  T 7.5
2MASS J13243559+6358284132435.5913h 24m 35.59s2635828.4+63° 58′ 28.4″  T 2
2MASS J13464634-0031501134646.3413h 46m 46.34s1996849.9−0° 31′ 50.1″  T 7
SDSS J135852.68+374711.913h 58m 52,7s2374712+37° 47′ 12″CVn16,2T4.5
SDSS J140255.66+080055.214h 02m 55,7s2080055+8° 00′ 55″Boo T1.5
2MASS J14044941-3159329140449.4114h 04m 49.41s1684067.1−31° 59′ 32.9″  T 2.5
SDSS J141530.05+572428.714h 15m 30,0s2572430+57° 24′ 30″UMa16,7 vermutlich ein Paar mit einem L- und einem T-Zwerg
2MASS J14353572-0043471143535.7214h 35m 35.72s1995652.9−0° 43′ 47.1″  T 6
SDSS J143553.25+112948.6143553.214h 35m 53.2s2112949+11° 29′ 49″  T 2
2MASS J14394092+1826369143940.9214h 39m 40.92s2182636.9+18° 26′ 36.9″Boo L1
SDSS J143945.86+304220.614394614h 39m 46s2304221+30° 42′ 21″Boo T 2.5evtl. Doppelsystem
ULAS J145243.59+065542.9145243.5914h 52m 43.59s2065542.9+6° 55′ 42.9″  T 4.5
ULAS J150135.33+082215.2150135.3315h 01m 35.33s2082215.2+8° 22′ 15.2″  T 4.5
2MASS J15031961+2525196150319.6115h 03m 19.61s2252519.6+25° 25′ 19.6″  T 6
SDSS J150411.63+102718.4150411.615h 04m 11.6s2102718+10° 27′ 18″  T 7
ULAS J150547.89+070316.6150547.8915h 05m 47.89s2070316.6+7° 03′ 16.6″Vir18,96 + 0,03T 4Pinfield et al., 2008[2]
SDSS J151114.66+060742.915h 11m 14,7s2060743+6° 07′ 43″Serca. 16,0vermutl. ca. L5.5 + T5.0spektroskopisches Paar
2MASS J15160303+0259292151603.0315h 16m 03.03s2025929.2+2° 59′ 29.2″  T 0
2MASS J15164306+3053443151643.0615h 16m 43.06s2305344.3+30° 53′ 44.3″  T 0.5
2MASS J15203974+3546210152039.7415h 20m 39.74s2354621+35° 46′ 21.0″  T 0
2MASS J15210327+0131426152103.2715h 21m 03.27s2013142.6+1° 31′ 42.6″  T 2
2MASS J15341711+1615463153417.1115h 34m 17.11s2161546.3+16° 15′ 46.3″  T 3.5
2MASS J15344984-2952274153449.8415h 34m 49.84s1704772.6−29° 52′ 27.4″  T 6
ULAS J154427.34+081926.6154427.3415h 44m 27.34s2081926.6+8° 19′ 26.6″  T 3.5
2MASS J15461461+493211415h 46m 14,6s2493211+49° 32′ 11″Boo15,90 ± 0,07T 2.5 (?)Metchev et al., 2008
2MASS J15462718-3325111154627.1815h 46m 27.18s1667488.9−33° 25′ 11.1″  T 5.5
ULAS J154701.84+005320.3154701.8415h 47m 01.84s2005320.3+0° 53′ 20.3″  T 5.5
2MASS J15530228+1532369155302.2815h 53m 02.28s2153236.9+15° 32′ 36.9″  T 7
2MASS J16150413+1340079161504.1316h 15m 04.13s2134007.9+13° 40′ 07.9″  T 6
2MASS J16241436+0029158162414.3616h 24m 14.36s2002915.8+0° 29′ 15.8″Ser T 6
SDSS J162838.77+230821.1162838.816h 28m 38.8s2230821+23° 08′ 21″Her T 7
SDSS J163022.92+081822.016h 30m 22,9s2081822+8° 18′ 22″Her16,2T5.5
SDSS J163239.34+415004.316h 32m 39,34s2415004.3+41° 50′ 04.3″Her16,87 ± 0,05T 1
2MASS J16401059+003721316h 40m 10,6s2003721.3+0° 37′ 21.3″Oph~17L0
BDR J1750+380917h 50m 01,1s2380920+38° 09′ 20″Her15,2T6.5 ± 1kalter Methan-Zwerg mit ungewöhnlich hoher, direkt beobachteter Radio-Emission (Vedantham et al. 2020)

Anderes

(Quelle: [1])

Siehe auch

Einzelnachweise

  1. a b c List of Brown Dwarfs. Abgerufen am 16. Juni 2022.
  2. a b c d e f g Pinfield et al. (2008): Fifteen new T dwarfs discovered in the UKIDSS Large Area Survey; in: Monthly Notices of the Royal Astronomical Society 390(1), S. 304–322
  3. Buenzli et al. (2014): Brown Dwarf Photospheres are Patchy: A Hubble Space Telescope Near-infrared Spectroscopic Survey Finds Frequent Low-level Variability; in: The Astrophysical Journal 782(2)