20321+1220 HJ 1528

 
 
20h 32m 14.25s +12° 20' 07.2" P.A. 237.00 sep 10.2 mag 11.89,12.07
 
 
Coord 2000 20321+1220 Discov num HJ 1528 Comp Coord arcsec 2000 20 32 14.25 +12 20 07.2
Date first 1828 Date last 2016 Obs 15
Pa first 237 Pa last 237 P.A. Now (θ) 237°
Sep first 8.0 Sep last 10.152 Sep. Now (ρ) 10.152"
Mag pri 11.89 Mag sec 12.07 delta mag (ΔM) 0.18 Spectral class
Pri motion ra +009 Sec motion ra +003
Pri motion dec -008 Sec motion dec -012
Notes
rPM=0.583
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1095-01185-1 Gaia DR2 1755715010640044672
 
 
WDS 20321+1220 HJ 1528 : 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
20321+1220 HJ 1528 2000 7 237 10.2 11.89 12.07 D 203214.25+122007.2
20321+1220 HJ 1528 2001 8 237 10.2 11.89 12.07 D 203214.25+122007.2
20321+1220 HJ 1528 2010 9 237 9.6 11.89 12.07 203214.25+122007.2
20321+1220 HJ 1528 2015 10 237 10.2 11.89 12.07 203214.25+122007.2
20321+1220 HJ 1528 2016 15 237 10.2 11.89 12.07 203214.25+122007.2

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

 
 
WDS 20321+1220 HJ 1528 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20321+1220 HJ 1528 : MEASURES
 
 
No records found.

 
 
WDS 20321+1220 : VIRTUAL EYEPIECE
 
 

20321+1220 HJ 1528A mag 11.89 20321+1220 HJ 1528B sep 10.0 P.A. 236.40 mag 12.07 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20321+1220 : ALADIN DSS IMAGE @ 20h 32m 14.25s +12° 20' 07.2"
 
 
 
 
WDS 20321+1220 HJ 1528 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20321+1220 HJ 1528 distance=1' 20324+1202 GRV 351 distance=18' 20310+1213 GRV 348 distance=19' 20337+1222 BPM2187 distance=22' 20313+1201 BRT1345 distance=24' 20307+1233 BPM2177 distance=26' 20310+1200 DAM 673 distance=27' 20340+1206 MAD 8 distance=29' 20327+1151 BPM2184 distance=30' 20311+1247 J 3244 distance=31' 20316+1150 J 3 distance=32' 20311+1248 J 562 distance=32' 20340+1244 TDT2378 distance=36' 20329+1142 J 1AB distance=37' 20329+1142 UC 4212AC distance=37' 20298+1154 J 1243 distance=38' 20344+1153 LDS4851 distance=43' 20346+1255 BPM2193 distance=50' 20293+1155 BPM2173AB distance=51' 20293+1155 BPM2173AC distance=51' 20345+1138 J 142 distance=54' 20317+1124 BPM2182 distance=57' 20309+1126 LAU 4AB distance=58' 20309+1126 STJ 5Aa,Ab distance=58' 20350+1134 BRT3358 distance=62' 20279+1224 TDT2297 distance=64' 20312+1116 CHR 99Aa,Ab distance=67' 20312+1116 STF2690A,BC distance=67' 20312+1116 HJ 269AD distance=67' 20312+1116 DA 1BC distance=67' 20280+1244 J 1241 distance=67' 20348+1121 J 1344 distance=71' 20349+1120 TDT2394 distance=72' 20370+1203 STF2701 distance=72' 20372+1224 BPM2209 distance=73' 20340+1326 FOX 37 distance=73' 20356+1315 BPM2201 distance=74' 20373+1230 UC 4235 distance=75' 20354+1121 YR 16 distance=76' 20329+1336 BRT1346 distance=77' 20362+1311 BPM2202 distance=78' 20339+1106 TDT2376 distance=78' 20342+1333 HEI 277 distance=79' 20372+1250 A 1680 distance=79' 20372+1143 BPM2210 distance=83' 20288+1114 UC 4195 distance=83' 20301+1103 BPM2176 distance=84' 20308+1059 BPM2179 distance=84' 20272+1306 BPM2169 distance=87' 20266+1148 BPM2161 distance=89' 20285+1110 BPM2171 distance=89' 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 20321+1220 HJ 1528 237 10.2 1
Show 20324+1202 GRV 351 12 70.6 18
Show 20310+1213 GRV 348 81 14.8 19
Show 20337+1222 BPM2187 283 103.7 22
Show 20313+1201 BRT1345 197 4.9 24
Show 20307+1233 BPM2177 220 71.0 26
Show 20310+1200 DAM 673 251 13.3 27
Show 20340+1206 MAD 8 245 20.9 29
Show 20327+1151 BPM2184 293 59.7 30
Show 20311+1247 J 3244 153 4.4 31
Show 20316+1150 J 3 130 2.1 32
Show 20311+1248 J 562 146 2.2 32
Show 20340+1244 TDT2378 129 1.4 36
Show 20329+1142 J 1 AB 63 2.1 37
Show 20329+1142 UC 4212 AC 256 27.7 37
Show 20298+1154 J 1243 121 3.2 38
Show 20344+1153 LDS4851 328 4.4 43
Show 20346+1255 BPM2193 288 103.8 50
Show 20293+1155 BPM2173 AB 21 4.6 51
Show 20293+1155 BPM2173 AC 35 34.0 51
Show 20345+1138 J 142 242 6.5 54
Show 20317+1124 BPM2182 228 99.8 57
Show 20309+1126 LAU 4 AB 271 28.1 58
Show 20309+1126 STJ 5 Aa,Ab 140 0.9 58
Show 20350+1134 BRT3358 288 1.9 62
Show 20279+1224 TDT2297 237 0.9 64
Show 20312+1116 CHR 99 Aa,Ab 142 0.4 67
Show 20312+1116 STF2690 A,BC 255 17.8 67
Show 20312+1116 HJ 269 AD 108 23.0 67
Show 20312+1116 DA 1 BC 184 0.3 67
Show 20280+1244 J 1241 172 1.3 67
Show 20348+1121 J 1344 103 2.5 71
Show 20349+1120 TDT2394 2 0.5 72
Show 20370+1203 STF2701 221 2.1 72
Show 20372+1224 BPM2209 213 61.9 73
Show 20340+1326 FOX 37 57 1.3 73
Show 20356+1315 BPM2201 7 74.2 74
Show 20373+1230 UC 4235 132 44.9 75
Show 20354+1121 YR 16 278 0.7 76
Show 20329+1336 BRT1346 205 7.9 77
Show 20362+1311 BPM2202 129 111.9 78
Show 20339+1106 TDT2376 76 0.8 78
Show 20342+1333 HEI 277 247 0.7 79
Show 20372+1250 A 1680 295 3.8 79
Show 20372+1143 BPM2210 203 101.9 83
Show 20288+1114 UC 4195 275 70.0 83
Show 20301+1103 BPM2176 280 53.7 84
Show 20308+1059 BPM2179 29 77.2 84
Show 20272+1306 BPM2169 263 28.1 87
Show 20266+1148 BPM2161 343 104.2 89
Show 20285+1110 BPM2171 30 40.3 89

 
 
WDS 20321+1220 : COMPONENTS
 
 
  A
B pa=236.4°
sep=9.99"
 
 
20321+1220 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203214.25+122007.2 Mag 11.89 PmRA 9.00
PmDE -8.0 Tycho2 1095-01185-1
Tycho2
Tycho2 1095-01185-1 Pflag RAmdeg 308.05936463 DEmdeg 12.33534401
PmRA 6.9 PmDE -11.4 E RAmdeg 46 E DEmdeg 55
E pmRA 1.5 E pmDE 1.5 EpRAm 1974.45 EpDEm 1966.00
Num 6 Q RAmdeg 2.2 Q DEmdeg 1.8 Q pmRA 2.2
Q pmDE 1.8 BTmag 11.660 E BTmag 0.083 VTmag 11.889
E VTmag 0.189 Prox 999 TYC T HIP
CCDM RAdeg 308.05938972 DEdeg 12.33538139 EpRA 1990 1.76
EpDE 1990 1.41 E RAdeg 62.3 E DEdeg 71.6 Posflg
Corr -0.2
 
 
20321+1220 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203213.68+122001.7 Mag 12.07 PmRA 3.00
PmDE -12.0 Calc delta mag 0.18 Calc coord yes