20521-3428 B 999 (HD 198544)

 
 
20h 52m 08.34s -34° 27' 40.0" P.A. 328.00 sep 1.3 mag 10.09,10.18 Sp F8
 
 
Coord 2000 20521-3428 Discov num B   999 Comp Coord arcsec 2000 20 52 08.34 -34 27 40.0
Date first 1927 Date last 2016 Obs 12
Pa first 336 Pa last 328 P.A. Now (θ) 328°
Sep first 1.0 Sep last 1.263 Sep. Now (ρ) 1.263"
Mag pri 10.09 Mag sec 10.18 delta mag (ΔM) 0.09 Spectral class F8 (yellow-white)
Pri motion ra -013 Sec motion ra -013
Pri motion dec +019 Sec motion dec +019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198544 Constellation Microscopium SAO 212501 Tycho2 7466-01255-1
Gaia DR2 6779764416864004480 HD 198544
 
 
WDS 20521-3428 B 999 (HD 198544) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20521-3428 B 999 1991 10 331 1.2 10.09 10.18 F8 205208.34-342740.0
20521-3428 B 999 2015 11 328 1.3 10.09 10.18 F8 205208.34-342740.0
20521-3428 B 999 2016 12 328 1.3 10.09 10.18 F8 205208.34-342740.0

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WDS 20521-3428 B 999 (HD 198544) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20521-3428 B 999 (HD 198544) : MEASURES
 
 
No records found.

 
 
WDS 20521-3428 (HD 198544) : VIRTUAL EYEPIECE
 
 

20521-3428 B   999A mag 10.09 Sp F8 20521-3428 B   999B sep 1.2 P.A. 332.70 mag 10.18 virtual eyepiece
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Radius:
Components only
 
 
WDS 20521-3428 (HD 198544) : ALADIN DSS IMAGE @ 20h 52m 08.34s -34° 27' 40.0"
 
 
 
 
WDS 20521-3428 B 999 (HD 198544) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20521-3428  B   999 distance=0' 20518-3434  B   504 distance=8' 20525-3451  NSN 490 distance=24' 20521-3353  SEE 430 distance=35' 20551-3408  HJ 5234 distance=42' 20521-3517  RST3270 distance=49' 20500-3347  HJ 5224 distance=49' 20532-3521  BRT1814 distance=56' 20518-3523  KPP1661 distance=56' 20570-3406  RST3272 distance=65' 20575-3435  BRT1816 distance=68' 20501-3534  HDS2969 distance=71' 20565-3340  B  1002 distance=73' 20480-3523  B  2892 distance=76' 20501-3315  UC 4305 distance=78' 20458-3443  HJ 5219 distance=79' 20506-3545  TDT2573 distance=80' 20571-3526  B   510 distance=85' 20517-3303  UC 4311 distance=85' 20467-3336  HDS2960AB distance=86' 20467-3336  SKF2090AC distance=86' 20579-3339  RED  26 distance=88' 20588-3402  RST3274 distance=88' 20510-3256  RST2162 distance=93' 20556-3304  LDS6419 distance=94' 20452-3510  SEE 428 distance=96' 20598-3452  TDT2682 distance=98' 21002-3408  KPP4219 distance=102' 20529-3245  B  1000 distance=103' 20478-3255  WIS 343 distance=108' 20592-3325  RST2170 distance=108' 20543-3243  TDT2622Aa,Ab distance=109' 20543-3243  UC 4321AB distance=109' 20583-3548  WSP 133AB distance=111' 20583-3548  WSP 133AC distance=111' 20583-3548  WSP 133AD distance=111' 20583-3548  WSP 133AE distance=111' 20516-3618  B   998 distance=111' 20437-3509  KPP 941 distance=112' 21007-3518  BU  765 distance=117' 21012-3511  TOK 344AB distance=120' 21012-3511  TOK 344Aa,Ab distance=120' 20577-3248  ENO   6 distance=122' 20591-3301  RST2169 distance=123' 20436-3532  HJ 5215 distance=124' 20467-3245  RST2160 distance=124' 21007-3315  TDT2691 distance=129' 21031-3423  UC 4366 distance=136' 20506-3645  B  2893 distance=139' 20478-3636  LWR  17 distance=139' 20442-3607  UC 4273 distance=140' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20521-3428 B 999 328 1.3 0
Show 20518-3434 B 504 38 2.3 8
Show 20525-3451 NSN 490 73 2.0 24
Show 20521-3353 SEE 430 345 14.5 35
Show 20551-3408 HJ 5234 90 15.1 42
Show 20521-3517 RST3270 338 2.5 49
Show 20500-3347 HJ 5224 165 20.2 49
Show 20532-3521 BRT1814 258 4.0 56
Show 20518-3523 KPP1661 42 12.8 56
Show 20570-3406 RST3272 23 2.2 65
Show 20575-3435 BRT1816 180 3.7 68
Show 20501-3534 HDS2969 174 0.1 71
Show 20565-3340 B 1002 324 0.6 73
Show 20480-3523 B 2892 104 8.1 76
Show 20501-3315 UC 4305 302 143.4 78
Show 20458-3443 HJ 5219 323 8.5 79
Show 20506-3545 TDT2573 74 0.4 80
Show 20571-3526 B 510 327 3.4 85
Show 20517-3303 UC 4311 335 26.1 85
Show 20467-3336 HDS2960 AB 158 0.2 86
Show 20467-3336 SKF2090 AC 190 88.1 86
Show 20579-3339 RED 26 186 18.9 88
Show 20588-3402 RST3274 358 1.8 88
Show 20510-3256 RST2162 76 0.8 93
Show 20556-3304 LDS6419 34 4.7 94
Show 20452-3510 SEE 428 188 4.4 96
Show 20598-3452 TDT2682 151 2.2 98
Show 21002-3408 KPP4219 358 2.1 102
Show 20529-3245 B 1000 312 3.6 103
Show 20478-3255 WIS 343 9 525.5 108
Show 20592-3325 RST2170 33 1.0 108
Show 20543-3243 TDT2622 Aa,Ab 232 0.5 109
Show 20543-3243 UC 4321 AB 38 24.4 109
Show 20583-3548 WSP 133 AB 212 2.4 111
Show 20583-3548 WSP 133 AC 158 16.3 111
Show 20583-3548 WSP 133 AD 339 16.4 111
Show 20583-3548 WSP 133 AE 354 16.6 111
Show 20516-3618 B 998 288 0.5 111
Show 20437-3509 KPP 941 156 7.7 112
Show 21007-3518 BU 765 72 0.8 117
Show 21012-3511 TOK 344 AB 61 186.0 120
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 120
Show 20577-3248 ENO 6 24 13.6 122
Show 20591-3301 RST2169 99 1.3 123
Show 20436-3532 HJ 5215 183 22.8 124
Show 20467-3245 RST2160 138 0.5 124
Show 21007-3315 TDT2691 258 0.5 129
Show 21031-3423 UC 4366 224 16.9 136
Show 20506-3645 B 2893 297 9.7 139
Show 20478-3636 LWR 17 20 9.0 139
Show 20442-3607 UC 4273 22 17.6 140

 
 
WDS 20521-3428 : COMPONENTS
 
 
  A
B pa=332.7°
sep=1.20"
 
 
20521-3428 A
 
 
Name HD 198544 Coord arcsec 2000 205208.34-342740.0 Mag 10.09 Spectral class F8 (yellow-white)
PmRA -13.00 PmDE 19.0 SAO 212501 Tycho2 7466-01255-1
HD 198544 DM CD-3414683
Tycho2
Tycho2 7466-01255-1 Pflag P RAmdeg 313.03473153 DEmdeg -34.46112061
PmRA -12.5 PmDE 18.8 E RAmdeg 20 E DEmdeg 27
E pmRA 2.1 E pmDE 2.1 EpRAm 1990.07 EpDEm 1988.76
Num 7 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 10.699 E BTmag 0.043 VTmag 10.085
E VTmag 0.036 Prox 12 TYC T HIP
CCDM RAdeg 313.03485556 DEdeg -34.46129639 EpRA 1990 1.62
EpDE 1990 1.41 E RAdeg 21.4 E DEdeg 27.5 Posflg D
Corr -0.1
SAO
SAO 212501 DelFlag RA1950 PmRA1950 -0.0077
DE1950 PmDE1950 0.005 Vmag 9.4 SpType F8
Double code Source 40 CatNum 11388 DM CD-3414683
DMcomp BDsup HD 198544 M HD 0
GC RA1950rad 5.44983598 DE1950rad -0.60475956 PmRA2000 -0.0077
PmDE2000 0.002
CCDM
Ccdm 20521-3428 RComp Comp A Note1
Note2 Discov num DRAs 1.86 DDEs 18.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp F8 PmNote *
PmRA -95 PmDE 5 Dm number -3414683 Cat1 CD
Name2 212501 Cat2 SAO HD 198544 M HD
ADS BDS M ADS BDS N IDS IDS 20459S3450A
HIC
 
 
20521-3428 B
 
 
Coord arcsec 2000 205208.30-342738.9 Mag 10.18 PmRA -13.00 PmDE 19.0
Tycho2 7466-01255-2 Calc delta mag 0.09 Calc coord yes
Tycho2
Tycho2 7466-01255-2 Pflag P RAmdeg 313.03473153 DEmdeg -34.46112061
PmRA -12.5 PmDE 18.8 E RAmdeg 20 E DEmdeg 27
E pmRA 2.1 E pmDE 2.1 EpRAm 1990.07 EpDEm 1988.76
Num 7 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 10.777 E BTmag 0.047 VTmag 10.184
E VTmag 0.039 Prox 12 TYC HIP
CCDM RAdeg 313.03466417 DEdeg -34.46100778 EpRA 1990 1.62
EpDE 1990 1.41 E RAdeg 23.4 E DEdeg 30.0 Posflg D
Corr -0.1
CCDM
Ccdm 20521-3428 RComp Comp B Note1
Note2 Discov num B 999 DRAs DDEs
R dRAs Year 1927 Theta 335 Rho 1.0
Obs 7 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20459S3450B
HIC