20493-1802 HJ 3000
20h 49m 20.54s -18° 02' 08.8" P.A. 251.00 sep 33.4 mag 6.21,12.90 Sp K3III dist. 307.69 pc (1003.68 l.y.)
Coord 2000 |
20493-1802 |
|
Discov num |
HJ 3000 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 20.54 -18 02 08.8 |
|
Date first |
1830 |
|
Date last |
2013 |
|
Obs |
5 |
|
Pa first |
245 |
|
Pa last |
251.2 |
|
P.A. Now (θ) |
251.2° |
|
Sep first |
18.0 |
|
Sep last |
33.41 |
|
Sep. Now (ρ) |
33.41" |
|
Mag pri |
6.21 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
6.69 |
|
Spectral class |
K3III (yellow-orange) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
-033 |
|
Pri motion dec |
-034 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.435
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Capricornus |
|
SAO |
163910 |
|
HIP |
102780 |
|
Tycho2 |
6348-01451-1 |
|
Gaia DR2 |
6858844694749343104 |
|
HD |
198208 |
|
HR |
7964 |
|
GC |
29023 |
|
BD |
BD-18 5783 |
|
FK5 |
3663 |
|
Distance |
307.69 |
|
Distance ly |
1003.68 |
|
WDS 20493-1802 HJ 3000 : NOTES
No records found.
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 |
20493-1802 |
HJ 3000 |
|
1998 |
3 |
250 |
33.5 |
6.21 |
12.90 |
K3III |
D |
204920.54-180208.8 |
20493-1802 |
HJ 3000 |
|
1999 |
4 |
250 |
33.4 |
6.21 |
12.90 |
K3III |
D |
204920.54-180208.8 |
20493-1802 |
HJ 3000 |
|
2013 |
5 |
251 |
33.4 |
6.21 |
12.90 |
K3III |
|
204920.54-180208.8 |
If you need more information about this double, apply for a
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WDS 20493-1802 HJ 3000 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20493-1802 HJ 3000 : MEASURES
No records found.
WDS 20493-1802 : VIRTUAL EYEPIECE
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WDS 20493-1802 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.