20434+2536 HO 138 AB
20h 43m 25.39s +25° 36' 08.3" P.A. 343.00 sep 3.0 mag 7.30,13.80 Sp K5III dist. 303.95 pc (991.48 l.y.)
| Coord 2000 |
20434+2536 |
|
Discov num |
HO 138 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 43 25.39 +25 36 08.3 |
|
| Date first |
1881 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
350 |
|
Pa last |
342.7 |
|
P.A. Now (θ) |
342.7° |
|
| Sep first |
2.6 |
|
Sep last |
3.049 |
|
Sep. Now (ρ) |
3.049" |
|
| Mag pri |
7.30 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
6.5 |
|
Spectral class |
K5III (yellow-orange) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
+014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20434+2536 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
89051 |
20 43 25 +25 36 08 |
HO 138 AB |
2016 |
8 |
343 |
3.0 |
7.30 |
13.80 |
6.50 |
|
<=== |
| Show |
HD 197515 |
89051 |
20 43 25 +25 36 08 |
HO 138 AC |
2015 |
11 |
304 |
127.9 |
7.34 |
11.20 |
3.86 |
|
|
| Show |
|
|
20 43 18 +25 37 20 |
HO 138 CD |
2015 |
17 |
6 |
3.5 |
11.20 |
11.80 |
0.60 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
89051 |
|
HIP |
102278 |
|
Tycho2 |
2174-01937-1 |
|
| Gaia DR2 |
1843640348475747456 |
|
HD |
197515 |
|
ADS |
14208 |
|
BD |
BD+25 4348 |
|
| Distance |
303.95 |
|
Distance ly |
991.48 |
|
