20181+1736 HJ 2946 (HD 351923)

 
 
20h 18m 09.67s +17° 32' 12.1" P.A. 237.00 sep 13.9 mag 10.49,12.08 Sp K0
 
 
Coord 2000 20181+1736 Discov num HJ 2946 Comp Coord arcsec 2000 20 18 09.67 +17 32 12.1
Date first 1831 Date last 2015 Obs 12
Pa first 228 Pa last 237.1 P.A. Now (θ) 237.1°
Sep first 12.0 Sep last 13.921 Sep. Now (ρ) 13.921"
Mag pri 10.49 Mag sec 12.08 delta mag (ΔM) 1.59 Spectral class K0 (yellow-orange)
Pri motion ra +003 Sec motion ra +007
Pri motion dec -012 Sec motion dec +008
Notes
rPM=1.649
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 351923 Constellation Sagitta Tycho2 1635-00852-1 Gaia DR2 1809272879168681344
HD 351923
 
 
WDS 20181+1736 HJ 2946 (HD 351923) : 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
20181+1736 HJ 2946 1998 5 236 14.1 10.49 12.08 D 201809.67+173212.1
20181+1736 HJ 2946 2001 7 237 14.1 10.49 12.08 D 201809.67+173212.1
20181+1736 HJ 2946 2010 8 237 13.5 10.49 12.08 K0 201809.67+173212.1
20181+1736 HJ 2946 2015 9 237 13.9 10.49 12.08 K0 201809.67+173212.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20181+1736 HJ 2946 (HD 351923) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20181+1736 HJ 2946 (HD 351923) : MEASURES
 
 
No records found.

 
 
WDS 20181+1736 (HD 351923) : VIRTUAL EYEPIECE
 
 

20181+1736 HJ 2946A mag 10.49 Sp K0 20181+1736 HJ 2946B sep 13.5 P.A. 235.80 mag 12.08 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20181+1736 (HD 351923) : ALADIN DSS IMAGE @ 20h 18m 09.67s +17° 32' 12.1"
 
 
 
 
WDS 20181+1736 HJ 2946 (HD 351923) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20181+1736 HJ 2946 distance=0' 20177+1739 BPMA245 distance=10' 20184+1719 BPM2099 distance=14' 20192+1723 J 1247 distance=17' 20188+1751 J 3314 distance=20' 20186+1711 BPM2101 distance=22' 20170+1716 OSO 123AB distance=24' 20170+1716 OSO 123AC distance=24' 20170+1716 OSO 123AD distance=24' 20170+1716 OSO 123AE distance=24' 20177+1755 J 1340 distance=26' 20192+1753 BPM2106 distance=26' 20199+1733 HJ 2950 distance=27' 20164+1745 J 1109AB distance=28' 20164+1745 J 1109AC distance=28' 20202+1734 BPM2116 distance=30' 20193+1705 BPM2109 distance=32' 20170+1805 J 2307 distance=38' 20159+1714 KPP 465 distance=38' 20170+1655 J 3070 distance=41' 20191+1647 BPM2105 distance=48' 20182+1820 HU 357 distance=48' 20215+1721 KPP1798 distance=50' 20159+1655 GWP2932 distance=50' 20174+1643 LDS1039 distance=52' 20218+1729 BPM2128 distance=53' 20171+1641 BPM2087 distance=54' 20153+1807 BPM2079 distance=54' 20160+1819 BPMA243 distance=56' 20202+1644 SKF2134 distance=57' 20204+1825 J 3076 distance=58' 20203+1826 J 3075 distance=58' 20201+1823 DAM 211AB distance=59' 20201+1823 DAM 211AC distance=59' 20159+1822 J 2602 distance=59' 20149+1808 BPM2075 distance=60' 20224+1745 BPM2132 distance=63' 20146+1809 J 3064BC distance=64' 20146+1809 J 3064AB distance=64' 20139+1751 BPM2067 distance=64' 20204+1633 KPP 866 distance=68' 20205+1634 HU 360AB distance=68' 20205+1634 HU 360AC distance=68' 20229+1728 BPMA246 distance=68' 20139+1806 BPMA242 distance=70' 20143+1648 BPM2070 distance=72' 20158+1628 BPM2080 distance=73' 20193+1619 BPM2108 distance=75' 20131+1713 BPM2062 distance=76' 20200+1848 HU 359 distance=81' 20163+1615 CHE 260 distance=82' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20181+1736 HJ 2946 237 13.9
Show 20177+1739 BPMA245 202 257.4 10
Show 20184+1719 BPM2099 127 114.8 14
Show 20192+1723 J 1247 155 3.1 17
Show 20188+1751 J 3314 70 3.4 20
Show 20186+1711 BPM2101 265 58.6 22
Show 20170+1716 OSO 123 AB 264 10.0 24
Show 20170+1716 OSO 123 AC 349 17.9 24
Show 20170+1716 OSO 123 AD 99 21.1 24
Show 20170+1716 OSO 123 AE 44 26.2 24
Show 20177+1755 J 1340 312 1.8 26
Show 20192+1753 BPM2106 39 22.5 26
Show 20199+1733 HJ 2950 282 14.6 27
Show 20164+1745 J 1109 AB 331 6.4 28
Show 20164+1745 J 1109 AC 9 8.4 28
Show 20202+1734 BPM2116 71 70.5 30
Show 20193+1705 BPM2109 198 100.7 32
Show 20170+1805 J 2307 117 6.1 38
Show 20159+1714 KPP 465 12 3.7 38
Show 20170+1655 J 3070 5.5 41
Show 20191+1647 BPM2105 289 86.8 48
Show 20182+1820 HU 357 195 1.8 48
Show 20215+1721 KPP1798 235 13.9 50
Show 20159+1655 GWP2932 14 15.0 50
Show 20174+1643 LDS1039 207 126.8 52
Show 20218+1729 BPM2128 283 75.4 53
Show 20171+1641 BPM2087 45 37.0 54
Show 20153+1807 BPM2079 251 47.7 54
Show 20160+1819 BPMA243 320 256.2 56
Show 20202+1644 SKF2134 231 66.3 57
Show 20204+1825 J 3076 209 5.9 58
Show 20203+1826 J 3075 104 4.9 58
Show 20201+1823 DAM 211 AB 166 7.0 59
Show 20201+1823 DAM 211 AC 233 7.6 59
Show 20159+1822 J 2602 348 2.8 59
Show 20149+1808 BPM2075 80 115.1 60
Show 20224+1745 BPM2132 278 95.1 63
Show 20146+1809 J 3064 BC 220 4.4 64
Show 20146+1809 J 3064 AB 192 28.8 64
Show 20139+1751 BPM2067 214 113.1 64
Show 20204+1633 KPP 866 348 7.3 68
Show 20205+1634 HU 360 AB 3 0.1 68
Show 20205+1634 HU 360 AC 348 7.3 68
Show 20229+1728 BPMA246 219 171.9 68
Show 20139+1806 BPMA242 194 288.2 70
Show 20143+1648 BPM2070 296 119.8 72
Show 20158+1628 BPM2080 65 82.7 73
Show 20193+1619 BPM2108 293 105.0 75
Show 20131+1713 BPM2062 122 118.9 76
Show 20200+1848 HU 359 179 0.2 81
Show 20163+1615 CHE 260 201 27.4 82

 
 
WDS 20181+1736 : COMPONENTS
 
 
  A
B pa=235.8°
sep=13.47"
 
 
20181+1736 A
 
 
Componente originario normalizzato AB Name HD 351923 Coord arcsec 2000 201809.67+173212.1 Mag 10.49
Spectral class K0 (yellow-orange) PmRA 3.00 PmDE -12.0 Tycho2 1635-00852-1
HD 351923
Tycho2
Tycho2 1635-00852-1 Pflag RAmdeg 304.54028833 DEmdeg 17.53670508
PmRA 3.4 PmDE -10.4 E RAmdeg 41 E DEmdeg 41
E pmRA 1.7 E pmDE 1.6 EpRAm 1984.58 EpDEm 1984.18
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.1 Q pmRA 0.3
Q pmDE 1.2 BTmag 11.908 E BTmag 0.107 VTmag 10.489
E VTmag 0.049 Prox 142 TYC T HIP
CCDM RAdeg 304.54028000 DEdeg 17.53672972 EpRA 1990 1.58
EpDE 1990 1.51 E RAdeg 42.6 E DEdeg 43.2 Posflg
Corr 0.0
 
 
20181+1736 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201808.89+173204.5 Mag 12.08 PmRA 7.00
PmDE 8.0 Tycho2 1635-00268-1 Calc delta mag 1.59 Calc coord yes
Tycho2
Tycho2 1635-00268-1 Pflag RAmdeg 304.53687451 DEmdeg 17.53453539
PmRA 6.7 PmDE 3.2 E RAmdeg 76 E DEmdeg 76
E pmRA 1.9 E pmDE 1.8 EpRAm 1967.91 EpDEm 1966.54
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.7 Q pmRA 0.1
Q pmDE 0.7 BTmag 12.048 E BTmag 0.138 VTmag 12.078
E VTmag 0.218 Prox 142 TYC HIP
CCDM RAdeg 304.53685806 DEdeg 17.53452806 EpRA 1990 1.58
EpDE 1990 1.51 E RAdeg 88.1 E DEdeg 89.3 Posflg
Corr 0.0