19542+4234 ROE 40 (HD 188611)
19h 54m 12.14s +42° 33' 40.0" P.A. 339.00 sep 9.1 mag 9.12,11.10 Sp A2
Coord 2000 |
19542+4234 |
|
Discov num |
ROE 40 |
|
Comp |
|
|
Coord arcsec 2000 |
19 54 12.14 +42 33 40.0 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
342 |
|
Pa last |
339.2 |
|
P.A. Now (θ) |
339.2° |
|
Sep first |
9.7 |
|
Sep last |
9.135 |
|
Sep. Now (ρ) |
9.135" |
|
Mag pri |
9.12 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
1.98 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.612
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 188611 |
|
Constellation |
Cygnus |
|
SAO |
48958 |
|
Tycho2 |
3145-02257-1 |
|
Gaia DR2 |
2075455534618595840 |
|
HD |
188611 |
|