17118+5432 DEA 87
17h 11m 49.31s +54° 31' 36.9" P.A. 129.00 sep 90.2 mag 9.60,13.47 Sp M3+L1.5
| Coord 2000 |
17118+5432 |
|
Discov num |
DEA 87 |
|
Comp |
|
|
Coord arcsec 2000 |
17 11 49.31 +54 31 36.9 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
129 |
|
Pa last |
128.7 |
|
P.A. Now (θ) |
128.7° |
|
| Sep first |
90.2 |
|
Sep last |
90.179 |
|
Sep. Now (ρ) |
90.179" |
|
| Mag pri |
9.60 |
|
Mag sec |
13.47 |
|
delta mag (ΔM) |
3.87 |
|
Spectral class |
M3+L1.5 (red/very deep red) |
|
| Pri motion ra |
-056 |
|
Sec motion ra |
-053 |
|
| Pri motion dec |
+215 |
|
Sec motion dec |
+211 |
|
| Notes |
V
K
(Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.023 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Gaia DR2 |
1420011162670761600 |
|