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Doubles in session


Current system
04331+2410
HAT 9 AB


Nearby doubles
13' : 04336+2421
POU 460AB

16' : 04324+2422
SKF2411

17' : 04323+2422
KSA 20AB

17' : 04323+2423
GHE 10

23' : 04318+2424
CHN 3

24' : 04314+2411
LEI 14

24' : 04332+2434
SAR 5AB

26' : 04338+2347
SHN 89

30' : 04349+2354
LDS5576

31' : 04344+2346
POU 461AB

32' : 04349+2429
ITO 32

34' : 04356+2408
HRM 1AB

36' : 04357+2411
CHN 8AB

40' : 04303+2426
GHE 8

43' : 04359+2352
KOH 15AB

45' : 04309+2442
SMN 13

45' : 04317+2330
POU 458

49' : 04332+2458
LDS5572

49' : 04365+2357
POU 465

51' : 04368+2412
MSR 2

54' : 04333+2505
LDS5190

55' : 04369+2351
POU 466

56' : 04363+2337
LDS5577

56' : 04294+2433
LEI 4

57' : 04299+2446
CJF 2

57' : 04319+2316
POU 459



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 04331+2410 HAT 9 AB : NOTES
 
 
discov_num notes refcode
GHE 13 Ab1,Ab2: Second and third Schaefer et al. (2006) orbits for Elias 12 Sfr2006
Na-Nb include a lunar occultation measure by Simon et al. (1995) Smn1995
Schaefer et al. (2012) derive spectral types, Teff, luminosities, and
masses for the Aa, Ab1, and Ab2 components (assuming a distance of
140pc for M and L) as follows:
Aa: K7 4060K 1.05 +/-0.20 Lsun 1.040+/-0.016 Msun (Mtotal)
Ab1: M2 3560 0.447+/-0.058 0.564+/-0.018
Ab2: M2-M2.5 3560 0.356+/-0.038 0.476+/-0.017 Sfr2012
Aa,Ab: V807 Tau. Young member of Taurus-Auriga molecular cloud. Dae2015
HAT 9 AB: Additional notes may be found in Herbig (1962). Her1962
GHE 12 Ba,Bb: GH Tau. Young member of Taurus-Auriga molecular cloud. Dae2015
 
 
REFERENCES
 
 
refcode metd author reference
Dae2015 A j Daemgen, S., Bonavita, M., Jayawardhana, R., Lafreniere, D., & Janson, M. 2015ApJ...799..155D
Dae2015 ApJ 799, 155, 2015
Her1962 Pa - Herbig, G.H. 1962AdA&A...1...47H
Her1962 Advances Astron. Astrophys. 1, 47, 1962
Her1962 (Exact dates, telescopes, and techniques not given. Default date = decade of
Her1962 publication added.)
Sfr2006 Hf j Schaefer, G.H., Simon, M., Beck, T.L., Nelan, E., & Prato, L. 2006AJ....132.2618S
Sfr2006 +A AJ 132, 2618, 2006
Sfr2006 (information slightly updated using information from Sfr2012. Photometry of DF Tau
Sfr2006 = 04271+2542 = THB 1 corrected and converted to V-band by Allen et al. 2017) 2017ApJ...845..161A
Sfr2012 orb j Schaefer, G.H., Prato, L., Simon, M., & Zavala, R.T. 2012ApJ...756..120S
Sfr2012 +A ApJ 756, 120, 2012
Sfr2012 +Hf
Smn1995 O j Simon, M., Ghez, A., Leinert, Ch., Cassar, L., Chen, W.P., Howell, R.R., Jameson, 1995ApJ...443..625S
Smn1995 R.F., Matthews, K., et al.
Smn1995 ApJ 443, 625, 1995
 
 
DISCOVERER
 
 
idgroup discov author
1 GHE Ghez, A.M., Neugebauer, G., Gorham, P.W., Haniff, C.A., Kulkarni, S.R., Matthews,
1 GHE K., Koresko, C., & Beckwith, S.
14 GHE Ghez, A.M., Duchene, G., Matthews, K., Hornstein, S.D., Tanner, A., Larkin, J.,
14 GHE Morris, M., Becklin, E.E., et al.
15 GHE Ghez, A.M., Salim, S., Hornstein,S.D., Tanner, A., Lu, J.R., Morris, M.,
15 GHE Becklin, E.E., & Duchene, G.
16 GHE Boehle, A., Ghez, A.M., Schodel, R., Meyer, L., Yelda, S., Albers, S.,
16 GHE Martinez, G.D., Becklin, E.E., Do, T., Lu, J.R., Matthews, K., Morris, M., et al.
17 HAT Hartigan, P., Strom, K., & Strom, S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04331+2410 HAT 9 AB 1997 3 195 21.8 11.20 13.20 M+M2e N D 043306.62+240954.9
04331+2410 HAT 9 AB 2000 4 195 21.9 11.20 13.20 M M2e N D 043306.62+240954.9

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