21247+2116 HU 370
21h 24m 40.44s +21° 15' 54.7" P.A. 105.00 sep 2.1 mag 9.23,12.24 Sp F8 dist. 290.7 pc (948.26 l.y.)
Coord 2000 |
21247+2116 |
|
Discov num |
HU 370 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 40.44 +21 15 54.7 |
|
Date first |
1901 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
110 |
|
Pa last |
105.4 |
|
P.A. Now (θ) |
105.4° |
|
Sep first |
2.0 |
|
Sep last |
2.078 |
|
Sep. Now (ρ) |
2.078" |
|
Mag pri |
9.23 |
|
Mag sec |
12.24 |
|
delta mag (ΔM) |
3.01 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-028 |
|
Sec motion ra |
-026 |
|
Pri motion dec |
-015 |
|
Sec motion dec |
-009 |
|
Notes |
|
|
rPM=0.199 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
HIP |
105713 |
|
Tycho2 |
1675-00097-1 |
|
Gaia DR2 |
1790647255264947840 |
|
BD |
BD+20 4906 |
|
Distance |
290.7 |
|
Distance ly |
948.26 |
|