21501+3151 BU 692 AB (V401 Peg)
21h 50m 05.37s +31° 50' 52.4" P.A. 10.00 sep 2.9 mag 7.47,11.03 Sp K0 dist. 181.16 pc (590.94 l.y.)
| Coord 2000 |
21501+3151 |
|
Discov num |
BU 692 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 50 05.37 +31 50 52.4 |
|
| Date first |
1878 |
|
Date last |
2009 |
|
Obs |
16 |
|
| Pa first |
11 |
|
Pa last |
9.8 |
|
P.A. Now (θ) |
9.8° |
|
| Sep first |
2.5 |
|
Sep last |
2.85 |
|
Sep. Now (ρ) |
2.85" |
|
| Mag pri |
7.47 |
|
Mag sec |
11.03 |
|
delta mag (ΔM) |
3.56 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+039 |
|
Sec motion ra |
+039 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
Nature of this double is uncertain.
21501+3151 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V401 Peg |
71749 |
21 50 05 +31 50 52 |
BU 692 AB |
2009 |
16 |
10 |
2.9 |
7.47 |
11.03 |
3.56 |
|
<=== |
| Show |
|
71749 |
21 50 05 +31 50 52 |
BU 692 AC |
2015 |
10 |
292 |
40.9 |
7.47 |
12.63 |
5.16 |
|
|
| Show |
|
71749 |
21 50 05 +31 50 52 |
FOX 264 AD |
2015 |
5 |
150 |
40.2 |
7.47 |
13.92 |
6.45 |
|
|
| Show |
|
71749 |
21 50 05 +31 50 52 |
FOX 264 AE |
2015 |
4 |
178 |
54.5 |
7.47 |
13.30 |
5.83 |
|
|
| Show |
|
|
21 50 05 +31 50 55 |
BU 692 BC |
2020 |
11 |
292 |
40.8 |
11.03 |
12.63 |
1.60 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V401 Peg |
|
Constellation |
Pegasus |
|
SAO |
71749 |
|
HIP |
107781 |
|
| Tycho2 |
2718-01184-1 |
|
Gaia DR2 |
1946143213320530304 |
|
HD |
207703 |
|
BD |
BD+31 4556 |
|
| Distance |
181.16 |
|
Distance ly |
590.94 |
|
