17098+6821 LDS 1438 AB
17h 09m 52.20s +68° 20' 01.9" P.A. 92.00 sep 28.4 mag 11.61,17.50 Sp K7V+DA7.6
Coord 2000 |
17098+6821 |
|
Discov num |
LDS1438 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 09 52.20 +68 20 01.9 |
|
Date first |
1966 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
92 |
|
Pa last |
91.6 |
|
P.A. Now (θ) |
91.6° |
|
Sep first |
29.0 |
|
Sep last |
28.363 |
|
Sep. Now (ρ) |
28.363" |
|
Mag pri |
11.61 |
|
Mag sec |
17.50 |
|
delta mag (ΔM) |
5.89 |
|
Spectral class |
K7V+DA7.6 (yellow-orange/white dwarf) |
|
Pri motion ra |
-081 |
|
Sec motion ra |
-082 |
|
Pri motion dec |
+255 |
|
Sec motion dec |
+253 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.008 (< 0.3, Physical double)
This double is physical.
17098+6821 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 09 52 +68 20 02 |
LDS 1438 AB |
2015 |
5 |
92 |
28.4 |
11.61 |
17.50 |
5.89 |
|
<=== |
Show |
|
|
17 09 52 +68 20 02 |
WIS 311 AC |
2015 |
3 |
345 |
166.9 |
11.61 |
15.80 |
4.19 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
4421-02830-1 |
|
Gaia DR2 |
1636757237019046528 |
|