21171+2534 A 294 AB
21h 17m 05.15s +25° 34' 24.2" P.A. 218.00 sep 4.5 mag 9.82,13.30 Sp G0
| Coord 2000 |
21171+2534 |
|
Discov num |
A 294 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 17 05.15 +25 34 24.2 |
|
| Date first |
1897 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
223 |
|
Pa last |
217.7 |
|
P.A. Now (θ) |
217.7° |
|
| Sep first |
3.7 |
|
Sep last |
4.511 |
|
Sep. Now (ρ) |
4.511" |
|
| Mag pri |
9.82 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
3.48 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
-030 |
|
| Notes |
|
|
rPM=0.256 (< 0.3, Physical double)
This double is physical.
21171+2534 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 17 05 +25 34 24 |
A 294 AB |
2016 |
11 |
218 |
4.5 |
9.82 |
13.30 |
3.48 |
|
<=== |
| Show |
|
|
21 17 05 +25 34 24 |
A 294 AC |
2015 |
7 |
193 |
12.9 |
9.82 |
15.10 |
5.28 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2190-02028-1 |
|
Gaia DR2 |
1840824705350318080 |
|
