21257+5957 MLB 88
21h 25m 48.83s +59° 57' 42.5" P.A. 115.00 sep 7.5 mag 10.01,11.30 Sp F0
Coord 2000 |
21257+5957 |
|
Discov num |
MLB 88 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 48.83 +59 57 42.5 |
|
Date first |
1904 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
115 |
|
Pa last |
115.3 |
|
P.A. Now (θ) |
115.3° |
|
Sep first |
7.2 |
|
Sep last |
7.542 |
|
Sep. Now (ρ) |
7.542" |
|
Mag pri |
10.01 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1.29 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-020 |
|
Notes |
|
|
rPM=0.373
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
3978-00511-1 |
|
Gaia DR2 |
2191688074193574016 |
|