08291-4756 HJ 4104 AB (HD 72108)
08h 29m 04.76s -47° 55' 44.2" P.A. 244.00 sep 3.5 mag 5.51,7.17 Sp B2IV dist. 653.59 pc (2132.01 l.y.)
Coord 2000 |
08291-4756 |
|
Discov num |
HJ 4104 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 29 04.76 -47 55 44.2 |
|
Date first |
1835 |
|
Date last |
2008 |
|
Obs |
25 |
|
Pa first |
238 |
|
Pa last |
244 |
|
P.A. Now (θ) |
244° |
|
Sep first |
2.3 |
|
Sep last |
3.49 |
|
Sep. Now (ρ) |
3.49" |
|
Mag pri |
5.51 |
|
Mag sec |
7.17 |
|
delta mag (ΔM) |
1.66 |
|
Spectral class |
B2IV (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
+013 |
|
Sec motion dec |
+007 |
|
Notes |
N
(See Notes) |
|
rPM=0.645
Nature of this double is uncertain.
08291-4756 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
219985 |
08 29 05 -47 55 44 |
FIN 315 Aa,Ab |
2021 |
26 |
43 |
0.1 |
5.90 |
6.40 |
0.50 |
Y |
|
Show |
HD 72108 |
219985 |
08 29 05 -47 55 44 |
HJ 4104 AB |
2008 |
25 |
244 |
3.5 |
5.51 |
7.17 |
1.66 |
|
<=== |
Show |
|
219985 |
08 29 05 -47 55 44 |
HJ 4104 AC |
2009 |
19 |
40 |
19.6 |
5.51 |
9.23 |
3.72 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 72108 |
|
Constellation |
Vela |
|
SAO |
219985 |
|
HIP |
41616 |
|
Tycho2 |
8154-06911-2 |
|
Gaia DR2 |
5515464136727687296 |
|
HD |
72108 |
|
HR |
3358 |
|
GC |
11630 |
|
CD |
CD-47 4004 |
|
CP |
CP-47 2296 |
|
Distance |
653.59 |
|
Distance ly |
2132.01 |
|
WDS 08291-4756 HJ 4104 AB (HD 72108) : NOTES
discov_num |
notes |
refcode |
FIN 315 |
One component is a spectroscopic binary. |
|
|
Aa,Ab: Docobo & Andrade (2013) derive a dynamical parallax of 3.88 +/- |
|
|
0.56 mas and component masses 6.08 +/- 3.43 and 5.45 +/- 3.08 Msun |
|
|
(for spectral type B1.5V) or 3.85 +/- 0.58 mas, 6.27 +/- 3.63 and 5.53 |
|
|
+/- 3.20 Msun (for B2IV). See paper for extensive notes on system. |
Doc2013d |
REFERENCES
refcode |
metd |
author |
reference |
Doc2013d |
orb - |
Docobo, J.A. & Andrade, M. |
2013MNRAS.428..321D |
Doc2013d |
|
MNRAS 428, 321, 2013 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
FIN |
Finsen, W.S. |
171 |
HJ |
Herschel, J.F.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
08291-4756 |
HJ 4104 |
AB |
1999 |
23 |
250 |
3.0 |
5.51 |
7.17 |
|
D |
082904.76-475544.2 |
08291-4756 |
HJ 4104 |
AB |
2008 |
24 |
244 |
3.5 |
5.51 |
7.17 |
B2IV |
N D |
082904.76-475544.2 |
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WDS 08291-4756 HJ 4104 AB (HD 72108) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 08291-4756 HJ 4104 AB (HD 72108) : MEASURES
No records found.
WDS 08291-4756 (HD 72108) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 08291-4756 (HD 72108) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.