18544-2727 B 411 (HD 174997)
18h 54m 22.07s -27° 27' 09.3" P.A. 40.00 sep 4.1 mag 9.80,11.30 Sp K2III:
Coord 2000 |
18544-2727 |
|
Discov num |
B 411 |
|
Comp |
|
|
Coord arcsec 2000 |
18 54 22.07 -27 27 09.3 |
|
Date first |
1927 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
41 |
|
Pa last |
39.6 |
|
P.A. Now (θ) |
39.6° |
|
Sep first |
3.9 |
|
Sep last |
4.055 |
|
Sep. Now (ρ) |
4.055" |
|
Mag pri |
9.80 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
K2III: (yellow-orange) |
|
Pri motion ra |
-017 |
|
Sec motion ra |
+019 |
|
Pri motion dec |
-022 |
|
Sec motion dec |
-056 |
|
Notes |
|
|
rPM=0.837
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 174997 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6868-00412-1 |
|
Gaia DR2 |
4071998642990955648 |
|
HD |
174997 |
|