20444+2119 A 171 (HD 197656)
20h 44m 26.83s +21° 19' 01.7" P.A. 325.00 sep 5.4 mag 8.36,10.90 Sp G5 dist. 355.87 pc (1160.85 l.y.)
Coord 2000 |
20444+2119 |
|
Discov num |
A 171 |
|
Comp |
|
|
Coord arcsec 2000 |
20 44 26.83 +21 19 01.7 |
|
Date first |
1892 |
|
Date last |
2016 |
|
Obs |
24 |
|
Pa first |
324 |
|
Pa last |
325.2 |
|
P.A. Now (θ) |
325.2° |
|
Sep first |
5.7 |
|
Sep last |
5.42 |
|
Sep. Now (ρ) |
5.42" |
|
Mag pri |
8.36 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.54 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
rPM=0.243 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 197656 |
|
Constellation |
Vulpecula |
|
SAO |
89070 |
|
HIP |
102364 |
|
Tycho2 |
1646-02532-1 |
|
Gaia DR2 |
1817808521069100288 |
|
HD |
197656 |
|
BD |
BD+20 4700 |
|
Distance |
355.87 |
|
Distance ly |
1160.85 |
|