21067+3455 HU 691 (HD 201155)
21h 06m 44.62s +34° 54' 32.2" P.A. 313.00 sep 0.4 mag 8.90,9.40 Sp B9
Coord 2000 |
21067+3455 |
|
Discov num |
HU 691 |
|
Comp |
|
|
Coord arcsec 2000 |
21 06 44.62 +34 54 32.2 |
|
Date first |
1903 |
|
Date last |
2014 |
|
Obs |
16 |
|
Pa first |
311 |
|
Pa last |
313.2 |
|
P.A. Now (θ) |
313.2° |
|
Sep first |
0.3 |
|
Sep last |
0.361 |
|
Sep. Now (ρ) |
0.361" |
|
Mag pri |
8.90 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
|
|
Pri motion dec |
-008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 201155 |
|
Constellation |
Cygnus |
|
SAO |
70921 |
|
Tycho2 |
2709-00545-1 |
|
HD |
201155 |
|
ADS |
14644 |
|