22434+6744 HJ 1807 AB (HD 215440)
22h 43m 25.98s +67° 44' 19.7" P.A. 187.00 sep 23.9 mag 8.74,10.29 Sp A2
| Coord 2000 |
22434+6744 |
|
Discov num |
HJ 1807 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 43 25.98 +67 44 19.7 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
19 |
|
| Pa first |
188 |
|
Pa last |
187.3 |
|
P.A. Now (θ) |
187.3° |
|
| Sep first |
20.0 |
|
Sep last |
23.889 |
|
Sep. Now (ρ) |
23.889" |
|
| Mag pri |
8.74 |
|
Mag sec |
10.29 |
|
delta mag (ΔM) |
1.55 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-051 |
|
Sec motion ra |
-051 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-008 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.019 (< 0.3, Physical double)
This double is physical.
22434+6744 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 215440 |
20218 |
22 43 26 +67 44 20 |
HJ 1807 AB |
2015 |
19 |
187 |
23.9 |
8.74 |
10.29 |
1.55 |
|
<=== |
| Show |
|
|
22 43 25 +67 43 56 |
HU 92 BC |
2015 |
11 |
345 |
1.4 |
10.29 |
10.36 |
0.07 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 215440 |
|
Constellation |
Cepheus |
|
SAO |
20218 |
|
Tycho2 |
4476-01460-1 |
|
| Gaia DR2 |
2224959433481165824 |
|
HD |
215440 |
|
WDS 22434+6744 HJ 1807 AB (HD 215440) : NOTES
| discov_num |
notes |
refcode |
| HJ 1807 |
AB: HJL 308. |
HJL1986 |
REFERENCES
| refcode |
metd |
author |
reference |
| HJL1986 |
Pa - |
Halbwachs, J.L. |
1986A&AS...66..131H |
| HJL1986 |
|
A&AS 66, 131, 1986 |
|
| HJL1986 |
|
(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added |
|
| HJL1986 |
|
only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
HJ |
Herschel, J.F.W. |
| 50 |
HU |
Hussey, W.F. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 22434+6744 |
HJ 1807 |
AB |
1999 |
15 |
188 |
23.4 |
8.74 |
10.29 |
A2 |
DV |
224325.98+674419.7 |
| 22434+6744 |
HJ 1807 |
AB |
2010 |
17 |
188 |
23.5 |
8.74 |
10.29 |
A2 |
NVD |
224325.98+674419.7 |
| 22434+6744 |
HJ 1807 |
AB |
2015 |
19 |
187 |
23.9 |
8.74 |
10.29 |
A2 |
NV |
224325.98+674419.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 22434+6744 HJ 1807 AB (HD 215440) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 22434+6744 HJ 1807 AB (HD 215440) : MEASURES
No records found.
WDS 22434+6744 (HD 215440) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 22434+6744 (HD 215440) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
