stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
00138-7442
HJ 3353
HD 987


Nearby doubles
31' : 00216-7442
OGL 4

32' : 00210-7429
OGL 1

34' : 00222-7439
OGL 5

41' : 00190-7406
SHN 46

42' : 00160-7401
B 2064

45' : 00029-7436
TDS 3AB

46' : 00253-7446
OGL 12

46' : 00251-7432
OGL 11

47' : 00215-7407
OGL 3

48' : 00119-7529
JSP 2

52' : 00251-7417
NSN 169

52' : 00247-7414
BAS 1

56' : 00214-7355
OGL 2

60' : 00283-7427
OGL 25

60' : 00254-7404
OGL 13

64' : 00105-7339
B 2063

67' : 00242-7349
OGL 8

76' : 00329-7445
OGL 34

77' : 00331-7446
OGL 36

78' : 00113-7558
KPP2793

79' : 00322-7515
HJ 3374

81' : 00306-7358
OGL 29

83' : 00255-7334
OGL 14

84' : 00319-7359
UC 386AB

86' : 00334-7407
OGL 39

86' : 00283-7339
OGL 24



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.

00138-7442 HJ 3353 (HD 987)

 
 
00h 13m 53.01s -74° 41' 17.8" P.A. 299.00 sep 31.7 mag 9.41,12.15 Sp G6V dist. 44.4 pc (144.83 l.y.)
 
 
Coord 2000 00138-7442 Discov num HJ 3353 Comp Coord arcsec 2000 00 13 53.01 -74 41 17.8
Date first 1835 Date last 2015 Obs 9
Pa first 286 Pa last 299.4 P.A. Now (θ) 299.4°
Sep first 12.0 Sep last 31.694 Sep. Now (ρ) 31.694"
Mag pri 9.41 Mag sec 12.15 delta mag (ΔM) 2.74 Spectral class G6V (yellow)
Pri motion ra +078 Sec motion ra +009
Pri motion dec -051 Sec motion dec +004
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.947
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 987 Constellation Hydrus SAO 255646 HIP 1113
Tycho2 9140-01231-1 Gaia DR2 4688292536884945536 HD 987 CP CP-75 15
Distance 44.4 Distance ly 144.83
 
 
WDS 00138-7442 HJ 3353 (HD 987) : NOTES
 
 
discov_num notes refcode
HJ 3353 Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
Rectilinear solution by Hurowitz et al. (2013). USN2013a
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
USN2013a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2013IAUDS.181....1H
USN2013a Inf. Circ. 181, 1, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00138-7442 HJ 3353 1998 6 299 30.4 8.82 11.80 G6V N D 001353.01-744117.8
00138-7442 HJ 3353 2010 8 299 31.3 9.41 12.15 G6V NL U 001353.01-744117.8
00138-7442 HJ 3353 2015 9 299 31.7 9.41 12.15 G6V NL U 001353.01-744117.8

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

 
 
WDS 00138-7442 HJ 3353 (HD 987) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00138-7442 HJ 3353 (HD 987) : MEASURES
 
 
No records found.

 
 
WDS 00138-7442 (HD 987) : VIRTUAL EYEPIECE
 
 

00138-7442 HJ 3353A mag 9.41 Sp G6V 00138-7442 HJ 3353B sep 17.2 P.A. 334.90 mag 12.15 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 00138-7442 (HD 987) : ALADIN DSS IMAGE @ 00h 13m 53.01s -74° 41' 17.8"
 
 
 
 
WDS 00138-7442 HJ 3353 (HD 987) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00138-7442 HJ 3353 distance=0' 00216-7442 OGL 4 distance=31' 00210-7429 OGL 1 distance=32' 00222-7439 OGL 5 distance=34' 00190-7406 SHN 46 distance=41' 00160-7401 B 2064 distance=42' 00029-7436 TDS 3AB distance=45' 00029-7436 BVD 30AB,C distance=45' 00253-7446 OGL 12 distance=46' 00251-7432 OGL 11 distance=46' 00215-7407 OGL 3 distance=47' 00119-7529 JSP 2 distance=48' 00251-7417 NSN 169 distance=52' 00247-7414 BAS 1 distance=52' 00214-7355 OGL 2 distance=56' 00283-7427 OGL 25 distance=60' 00254-7404 OGL 13 distance=60' 00105-7339 B 2063 distance=64' 00242-7349 OGL 8 distance=67' 00329-7445 OGL 34 distance=76' 00331-7446 OGL 36 distance=77' 00113-7558 KPP2793 distance=78' 00322-7515 HJ 3374 distance=79' 00306-7358 OGL 29 distance=81' 00255-7334 OGL 14 distance=83' 00319-7359 UC 386AB distance=84' 00334-7407 OGL 39 distance=86' 00283-7339 OGL 24 distance=86' 00106-7313 I 43AB distance=89' 00106-7313 I 43AB,C distance=89' 00281-7329 OGL 23 distance=94' 00272-7324 TOK 908 distance=95' 00330-7335 OGL 35 distance=103' 00240-7300 OGL 6 distance=110' 00241-7300 OGL 7 distance=111' 00150-7251 BRG 1 distance=111' 00319-7318 OGL 33 distance=112' 00313-7311 OGL 32 distance=117' 00277-7300 OGL 21 distance=117' 00305-7305 B 2552 distance=119' 00300-7257 OGL 27 distance=125' 00278-7251 OGL 22AB distance=125' 00278-7251 OGL 22AC distance=125' 00278-7251 OGL 22BC distance=126' 00250-7244 OGL 10 distance=126' 00233-7643 I 436 distance=127' 00247-7240 OGL 9 distance=130' 00023-7238 HJ 5439 distance=133' 00293-7244 OGL 26 distance=134' 00270-7237 OGL 18 distance=137' 00306-7242 OGL 30 distance=139' 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 00138-7442 HJ 3353 299 31.7
Show 00216-7442 OGL 4 211 20.6 31
Show 00210-7429 OGL 1 167 77.3 32
Show 00222-7439 OGL 5 234 13.8 34
Show 00190-7406 SHN 46 -1 0.2 41
Show 00160-7401 B 2064 190 5.2 42
Show 00029-7436 TDS 3 AB 47 1.5 45
Show 00029-7436 BVD 30 AB,C 11 37.8 45
Show 00253-7446 OGL 12 198 4.1 46
Show 00251-7432 OGL 11 5 240.8 46
Show 00215-7407 OGL 3 20 870.6 47
Show 00119-7529 JSP 2 295 4.9 48
Show 00251-7417 NSN 169 288 4.7 52
Show 00247-7414 BAS 1 49 0.7 52
Show 00214-7355 OGL 2 110 2.0 56
Show 00283-7427 OGL 25 93 1.2 60
Show 00254-7404 OGL 13 226 28.2 60
Show 00105-7339 B 2063 131 0.5 64
Show 00242-7349 OGL 8 272 592.8 67
Show 00329-7445 OGL 34 284 20.6 76
Show 00331-7446 OGL 36 202 2.1 77
Show 00113-7558 KPP2793 152 2.8 78
Show 00322-7515 HJ 3374 118 30.4 79
Show 00306-7358 OGL 29 226 530.2 81
Show 00255-7334 OGL 14 245 110.6 83
Show 00319-7359 UC 386 AB 342 68.9 84
Show 00334-7407 OGL 39 110 87.3 86
Show 00283-7339 OGL 24 80 25.3 86
Show 00106-7313 I 43 AB 196 0.5 89
Show 00106-7313 I 43 AB,C 334 30.4 89
Show 00281-7329 OGL 23 195 999.9 94
Show 00272-7324 TOK 908 250 0.2 95
Show 00330-7335 OGL 35 112 1.0 103
Show 00240-7300 OGL 6 333 52.2 110
Show 00241-7300 OGL 7 174 11.6 111
Show 00150-7251 BRG 1 52 0.3 111
Show 00319-7318 OGL 33 253 87.8 112
Show 00313-7311 OGL 32 24 113.9 117
Show 00277-7300 OGL 21 214 1.7 117
Show 00305-7305 B 2552 88 7.3 119
Show 00300-7257 OGL 27 80 1.6 125
Show 00278-7251 OGL 22 AB 19 52.0 125
Show 00278-7251 OGL 22 AC 98 3.3 125
Show 00278-7251 OGL 22 BC 196 51.4 126
Show 00250-7244 OGL 10 299 14.3 126
Show 00233-7643 I 436 336 0.6 127
Show 00247-7240 OGL 9 287 4.1 130
Show 00023-7238 HJ 5439 79 9.5 133
Show 00293-7244 OGL 26 102 6.1 134
Show 00270-7237 OGL 18 263 96.9 137
Show 00306-7242 OGL 30 217 439.0 139

 
 
WDS 00138-7442 : COMPONENTS
 
 
  A
B pa=334.9°
sep=17.18"
 
 
00138-7442 A
 
 
Componente originario normalizzato AB Name HD 987 Coord arcsec 2000 001353.01-744117.8 Mag 9.41
Spectral class G6V (yellow) PmRA 78.00 PmDE -51.0 SAO 255646
HIP 1113 Tycho2 9140-01231-1 HD 987 CP CP-75 15
Tycho2
Tycho2 9140-01231-1 Pflag RAmdeg 3.47088290 DEmdeg -74.68827948
PmRA 82.9 PmDE -45.1 E RAmdeg 8 E DEmdeg 9
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.51 EpDEm 1991.39
Num 6 Q RAmdeg 0.6 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 9.662 E BTmag 0.021 VTmag 8.817
E VTmag 0.014 Prox 999 TYC T HIP 1113
CCDM RAdeg 3.47016583 DEdeg -74.68817583 EpRA 1990 1.78
EpDE 1990 1.72 E RAdeg 8.2 E DEdeg 9.0 Posflg
Corr 0.1
SAO
SAO 255646 DelFlag RA1950 PmRA1950 0.0198
DE1950 PmDE1950 -0.018 Vmag 9 SpType G5
Double code Source 61 CatNum 34 DM CP-75 15
DMcomp BDsup HD 987 M HD 0
GC RA1950rad 0.05031295 DE1950rad -1.30838518 PmRA2000 0.0174
PmDE2000 -0.022
Hipparcos
Catalog H HIP 1113 Proxy RAhms 00 13 52.83
DEdms -74 41 17.4 Vmag 8.76 VarFlag 2 R Vmag H
RAdeg 3.47012 DEdeg -74.6882 AstroRef Plx 22.86
CCDM 00138-7441 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 987 BD
CD CP CP-75 15 Dm number -75 15 VIred 0.81
SpType G6V R SpType Coord arcsec 2000 001352.83-744117.4
Hipparcos 2
HIP 1113 Sn 5 So 0 Nc 1
RArad 0.0605649818 DErad -1.3035545198 Plx 22.52 PmRA 83.53
PmDE -47.89 E RArad 0.69 E DErad 0.7 E Plx 0.82
E pmRA 0.78 E pmDE 0.75 Hpmag 8.9026 E Hpmag 0.0027
SHp 0.029 VA 2 BV 0.743 E BV 0.022
VI 0.79
 
 
00138-7442 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 001351.17-744102.2 Mag 12.15 PmRA 9.00
PmDE 4.0 Calc delta mag 2.74 Calc coord yes