20181+1555 J 553 (HD 355372)
20h 18m 06.69s +15° 54' 09.5" P.A. 20.00 sep 3.7 mag 10.70,11.90 Sp B2+A2
Coord 2000 |
20181+1555 |
|
Discov num |
J 553 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 06.69 +15 54 09.5 |
|
Date first |
1910 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
20 |
|
Pa last |
19.6 |
|
P.A. Now (θ) |
19.6° |
|
Sep first |
4.2 |
|
Sep last |
3.695 |
|
Sep. Now (ρ) |
3.695" |
|
Mag pri |
10.70 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
B2+A2 (blue-white/white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 355372 |
|
Constellation |
Delphinus |
|
Tycho2 |
1631-00441-1 |
|
Gaia DR2 |
1808445698527206656 |
|
HD |
355372 |
|