02171+5645 ES 1874
02h 17m 04.31s +56° 45' 11.2" P.A. 146.00 sep 3.2 mag 11.30,14.00 Sp B2IIIe
Coord 2000 |
02171+5645 |
|
Discov num |
ES 1874 |
|
Comp |
|
|
Coord arcsec 2000 |
02 17 04.31 +56 45 11.2 |
|
Date first |
1921 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
144 |
|
Pa last |
146 |
|
P.A. Now (θ) |
146° |
|
Sep first |
3.5 |
|
Sep last |
3.17 |
|
Sep. Now (ρ) |
3.17" |
|
Mag pri |
11.30 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
B2IIIe (blue-white) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
|
|
Pri motion dec |
+011 |
|
Sec motion dec |
|
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Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Perseus |
|
Gaia DR2 |
458336855184794624 |
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