21090+0410 HJ 5515 AB
21h 08m 40.30s +04° 13' 19.8" P.A. 126.00 sep 14.4 mag 12.44,12.62
Coord 2000 |
21090+0410 |
|
Discov num |
HJ 5515 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 08 40.30 +04 13 19.8 |
|
Date first |
1910 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
112 |
|
Pa last |
126.3 |
|
P.A. Now (θ) |
126.3° |
|
Sep first |
14.1 |
|
Sep last |
14.413 |
|
Sep. Now (ρ) |
14.413" |
|
Mag pri |
12.44 |
|
Mag sec |
12.62 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
Pri motion ra |
+012 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-040 |
|
Notes |
N
(See Notes) |
|
rPM=0.901
This double is not physical.
21090+0410 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 08 40 +04 13 20 |
HJ 5515 AB |
2015 |
7 |
126 |
14.4 |
12.44 |
12.62 |
0.18 |
|
<=== |
Show |
|
|
21 08 40 +04 13 20 |
HJ 5515 AC |
2015 |
6 |
68 |
47.8 |
12.40 |
12.70 |
0.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Equuleus |
|
Gaia DR2 |
1732150621031302144 |
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WDS 21090+0410 HJ 5515 AB : NOTES
discov_num |
notes |
refcode |
HJ 5515 |
Nothing in the vicinity matches Herschel's theta value. However, if |
|
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either he meant the separation was 15" or his theta has a 90deg error, |
|
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this pair appears to be the most likely match. |
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REFERENCES
refcode |
metd |
author |
reference |
HJ_1826 |
Mb - |
Herschel, J.F.W. |
1826MmRAS...2..459H |
HJ_1826 |
|
MemRAS 2, 459, 1826 |
|
HJ_1829a |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3...47H |
HJ_1829a |
|
MemRAS 3, 47, 1829 |
|
HJ_1829b |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3..177H |
HJ_1829b |
|
MemRAS 3, 177, 1829 |
|
HJ_1831 |
Ma - |
Herschel, J.F.W. |
1831MmRAS...4..331H |
HJ_1831 |
+Mb |
MemRAS 4, part 2, 331, 1831 |
|
HJ_1833a |
Ma - |
Herschel, J.F.W. |
1833MmRAS...5...13H |
HJ_1833a |
+Mb |
MemRAS 5, 13, 1833 |
|
HJ_1833b |
orb - |
Herschel, J.F.W. |
1833MmRAS...5..171H |
HJ_1833b |
|
MemRAS 5, 171, 1833 |
|
HJ_1833c |
Mb - |
Herschel, J.F.W. |
1833MmRAS...6....1H |
HJ_1833c |
|
MemRAS 6, 1, 1833 |
|
HJ_1833d |
orb - |
Herschel, J.F.W. |
1833MmRAS...6..149H |
HJ_1833d |
|
MemRAS 6, 149, 1833 |
|
HJ_1835 |
Ma - |
Herschel, J.F.W. |
1835MmRAS...8...37H |
HJ_1835 |
+Mb |
MemRAS 8, 37, 1835 |
|
HJ_1836 |
Mb - |
Herschel, J.F.W. |
1836MmRAS...9..193H |
HJ_1836 |
|
MemRAS 9, 193, 1836 |
|
HJ_1847a |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847a |
+Mb |
Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) |
|
HJ_1847b |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847b |
|
Cape Results, London, 1847 |
|
HJ_1850 |
orb - |
Herschel, J.F.W. |
1850MmRAS..18...47H |
HJ_1850 |
|
MemRAS 18, 47, 1850 |
|
HJ_1870 |
Mb - |
Herschel, J.F.W. |
1870MmRAS..38....1H |
HJ_1870 |
|
MemRAS 38, 1, 1870 |
|
HJ_1874A |
- |
Herschel, J.F.W. |
1874MNRAS..35...28B |
HJ_1874A |
|
cited by Burnham (MNRAS 35, 28, 1874) |
|
HJ_1875A |
Ma - |
Herschel, J.F.W. |
1875AN.....85..323D |
HJ_1875A |
+Mb |
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
HJ_1880A |
Ma - |
Herschel, J.F.W. |
1880Obs.....3..508G |
HJ_1880A |
+Mb |
cited by Gledhill (Obs 3, 508, 1880) |
|
HJ_1880B |
Mb - |
Herschel, J.F.W. |
1880MNRAS..40..497B |
HJ_1880B |
|
cited by Burnham (MNRAS 40, 497, 1880) |
|
HJ_1897A |
Ma j |
Herschel, J.F.W. |
1897MNRAS..57..541S |
HJ_1897A |
|
cited by See (MNRAS 57, 541, 1897) |
|
HJ_1905A |
Ma - |
Herschel, J.F.W. |
1905LicOB...3..147A |
HJ_1905A |
+Mb |
cited by Aitken (Lick Obs. Bull. 3, 147, 1905) |
|
HJ_1906A |
Ma - |
Herschel, J.F.W. |
1906MmRAS..56....1L |
HJ_1906A |
+Mb |
cited by Lewis (MemRAS 56, 1, 1906) |
|
HJ_1906B |
Ma - |
Herschel, J.F.W. |
1906QB821.B972..... |
HJ_1906B |
+Mb |
cited in BDS (Burnham Double Star Cat.), 1906 |
|
HJ_1927A |
Mb - |
Herschel, J.F.W. |
1927sdsc.book...... |
HJ_1927A |
|
cited in SDS (Southern Double Star Catalog), 1927 |
|
HJ_1932A |
Mb - |
Herschel, J.F.W. |
1932QB821.A43...... |
HJ_1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
HJ_9999 |
M j |
Herschel, J.F.W. |
................... |
HJ_9999 |
+Ma |
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21090+0410 |
HJ 5515 |
AB |
2000 |
2 |
125 |
14.2 |
12.44 |
12.62 |
|
N D |
210840.30+041319.8 |
21090+0410 |
HJ 5515 |
AB |
2010 |
4 |
126 |
14.3 |
12.44 |
12.62 |
|
N |
210840.30+041319.8 |
21090+0410 |
HJ 5515 |
AB |
2015 |
4 |
126 |
14.4 |
12.44 |
12.62 |
|
N |
210840.30+041319.8 |
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WDS 21090+0410 HJ 5515 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21090+0410 HJ 5515 AB : MEASURES
No records found.
WDS 21090+0410 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 21090+0410 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.