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Doubles in session


Current system
16220+2320
GRV 927


Nearby doubles
3' : 16218+2320
POU3223

19' : 16212+2307
POU3222

24' : 16212+2259
HU 481

27' : 16232+2341
J 399

37' : 16199+2341
COU 108AB

43' : 16192+2337
POU3221

46' : 16242+2245
LDS4665

52' : 16199+2238
OSO 68AB

63' : 16221+2218
HU 482AB

65' : 16263+2254
POU3226

66' : 16176+2345
KPP3994

73' : 16275+2310
LDS1435

79' : 16232+2204
TDS9873

79' : 16267+2405
KPP2370

81' : 16167+2247
AZC 97

82' : 16236+2438
CLZ 67

85' : 16223+2445
STF2039

86' : 16159+2340
POU3219

92' : 16236+2449
UC 3161

100' : 16179+2441
POU3220

100' : 16263+2441
POU3225

101' : 16218+2501
SLW1174

102' : 16214+2502
TDS9856

106' : 16244+2140
OSO 70

110' : 16145+2358
LDS4651

111' : 16272+2445
POU3227



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16220+2320 GRV 927

 
 
16h 22m 00.74s +23° 20' 06.0" P.A. 227.00 sep 46.8 mag 12.75,14.31
 
 
Coord 2000 16220+2320 Discov num GRV 927 Comp Coord arcsec 2000 16 22 00.74 +23 20 06.0
Date first 1999 Date last 2015 Obs 8
Pa first 227 Pa last 227.4 P.A. Now (θ) 227.4°
Sep first 46.8 Sep last 46.795 Sep. Now (ρ) 46.795"
Mag pri 12.75 Mag sec 14.31 delta mag (ΔM) 1.56 Spectral class
Pri motion ra -047 Sec motion ra -047
Pri motion dec -014 Sec motion dec -017
Notes
rPM=0.06 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2043-00933-1 Gaia DR2 1301739132116024448
 
 
WDS 16220+2320 GRV 927 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16220+2320 GRV 927 2000 2 227 46.8 12.40 13.90 D 162200.74+232006.0
16220+2320 GRV 927 2001 3 227 46.8 12.40 13.90 D 162200.74+232006.0
16220+2320 GRV 927 2010 3 228 46.8 12.75 14.31 162200.74+232006.0
16220+2320 GRV 927 2015 4 227 46.8 12.75 14.31 162200.74+232006.0

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

 
 
WDS 16220+2320 GRV 927 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16220+2320 GRV 927 : MEASURES
 
 
No records found.

 
 
WDS 16220+2320 : VIRTUAL EYEPIECE
 
 

16220+2320 GRV 927A mag 12.75 16220+2320 GRV 927B sep 44.8 P.A. 225.00 mag 14.31 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16220+2320 : ALADIN DSS IMAGE @ 16h 22m 00.74s +23° 20' 06.0"
 
 
 
 
WDS 16220+2320 GRV 927 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16220+2320 GRV 927 distance=0' 16218+2320 POU3223 distance=3' 16212+2307 POU3222 distance=19' 16212+2259 HU 481 distance=24' 16232+2341 J 399 distance=27' 16199+2341 COU 108AB distance=37' 16199+2341 GII 232Aa,Ab distance=37' 16192+2337 POU3221 distance=43' 16242+2245 LDS4665 distance=46' 16199+2238 LAW 4Aa,Ab distance=52' 16199+2238 OSO 68AB distance=52' 16199+2238 OSO 68AC distance=52' 16221+2218 HU 482AB distance=63' 16221+2218 GII 233Aa,Ab distance=63' 16263+2254 POU3226 distance=65' 16176+2345 KPP3994 distance=66' 16275+2310 LDS1435 distance=73' 16232+2204 TDS9873 distance=79' 16267+2405 KPP2370 distance=79' 16167+2247 AZC 97 distance=81' 16236+2438 CLZ 67 distance=82' 16223+2445 STF2039 distance=85' 16159+2340 POU3219 distance=86' 16236+2449 UC 3161 distance=92' 16179+2441 POU3220 distance=100' 16263+2441 POU3225 distance=100' 16218+2501 SLW1174 distance=101' 16214+2502 TDS9856 distance=102' 16244+2140 OSO 70 distance=106' 16145+2358 LDS4651 distance=110' 16272+2445 POU3227 distance=111' 16139+2338 POU3218 distance=113' 16301+2324 POU3229 distance=113' 16196+2128 SLW1171 distance=118' 16287+2437 POU3228 distance=120' 16310+2359 SHY 704 distance=130' 16126+2341 FMR 124 distance=131' 16278+2506 COU 413 distance=133' 16316+2307 POU3231 distance=134' 16309+2420 POU3230 distance=136' 16319+2313 HU 484 distance=137' 16138+2437 POU3217 distance=137' 16134+2431 POU3216 distance=138' 16299+2452 J 3324 distance=142' 16326+2314 BU 817 distance=146' 16323+2249 KPP4003 distance=146' 16281+2521 KPP2333 distance=147' 16256+2054 COU 198 distance=154' 16332+2307 HO 552 distance=155' 16192+2553 COU 412AB distance=158' 16192+2553 GII 231Aa,Ab distance=158' 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 16220+2320 GRV 927 227 46.8
Show 16218+2320 POU3223 349 4.3 3
Show 16212+2307 POU3222 47 4.5 19
Show 16212+2259 HU 481 237 0.5 24
Show 16232+2341 J 399 51 5.1 27
Show 16199+2341 COU 108 AB 257 0.6 37
Show 16199+2341 GII 232 Aa,Ab 251 0.2 37
Show 16192+2337 POU3221 310 4.8 43
Show 16242+2245 LDS4665 48 11.4 46
Show 16199+2238 LAW 4 Aa,Ab 222 0.2 52
Show 16199+2238 OSO 68 AB 346 16.5 52
Show 16199+2238 OSO 68 AC 158 12.2 52
Show 16221+2218 HU 482 AB 145 1.6 63
Show 16221+2218 GII 233 Aa,Ab 158 0.1 63
Show 16263+2254 POU3226 29 15.0 65
Show 16176+2345 KPP3994 264 1.7 66
Show 16275+2310 LDS1435 228 8.5 73
Show 16232+2204 TDS9873 285 0.6 79
Show 16267+2405 KPP2370 243 20.4 79
Show 16167+2247 AZC 97 103 9.4 81
Show 16236+2438 CLZ 67 169 136.5 82
Show 16223+2445 STF2039 344 11.6 85
Show 16159+2340 POU3219 332 3.9 86
Show 16236+2449 UC 3161 210 55.8 92
Show 16179+2441 POU3220 179 11.5 100
Show 16263+2441 POU3225 213 8.6 100
Show 16218+2501 SLW1174 335 138.5 101
Show 16214+2502 TDS9856 18 0.5 102
Show 16244+2140 OSO 70 149 16.9 106
Show 16145+2358 LDS4651 299 147.2 110
Show 16272+2445 POU3227 141 3.2 111
Show 16139+2338 POU3218 217 9.6 113
Show 16301+2324 POU3229 303 5.4 113
Show 16196+2128 SLW1171 174 10.0 118
Show 16287+2437 POU3228 139 3.9 120
Show 16310+2359 SHY 704 106 999.9 130
Show 16126+2341 FMR 124 330 60.1 131
Show 16278+2506 COU 413 321 4.6 133
Show 16316+2307 POU3231 210 22.6 134
Show 16309+2420 POU3230 308 9.3 136
Show 16319+2313 HU 484 209 2.5 137
Show 16138+2437 POU3217 261 6.3 137
Show 16134+2431 POU3216 294 14.3 138
Show 16299+2452 J 3324 60 2.2 142
Show 16326+2314 BU 817 327 0.9 146
Show 16323+2249 KPP4003 171 1.9 146
Show 16281+2521 KPP2333 108 19.9 147
Show 16256+2054 COU 198 163 1.1 154
Show 16332+2307 HO 552 296 14.9 155
Show 16192+2553 COU 412 AB 83 0.9 158
Show 16192+2553 GII 231 Aa,Ab 292 0.4 158

 
 
WDS 16220+2320 : COMPONENTS
 
 
  A
B pa=225.0°
sep=44.76"
 
 
16220+2320 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 162200.74+232006.0 Mag 12.75 PmRA -47.00
PmDE -14.0 Tycho2 2043-00933-1
Tycho2
Tycho2 2043-00933-1 Pflag RAmdeg 245.50301046 DEmdeg 23.33501362
PmRA -48.1 PmDE -13.2 E RAmdeg 100 E DEmdeg 110
E pmRA 2.2 E pmDE 2.4 EpRAm 1955.45 EpDEm 1948.22
Num 3 Q RAmdeg 2.3 Q DEmdeg 1.0 Q pmRA 2.3
Q pmDE 1.0 BTmag 13.792 E BTmag 0.343 VTmag 12.729
E VTmag 0.214 Prox 999 TYC HIP
CCDM RAdeg 245.50312667 DEdeg 23.33504694 EpRA 1990 1.73
EpDE 1990 1.56 E RAdeg 127.5 E DEdeg 151.2 Posflg
Corr -0.1
 
 
16220+2320 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 162158.44+231934.3 Mag 14.31 PmRA -47.00
PmDE -17.0 Calc delta mag 1.56 Calc coord yes