stampa
Login

About to create a great list of doubles? Share it with other users!
Create your account here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18444+7600
LDS 1892


Nearby doubles
13' : 18424+7550
LDS1890

22' : 18450+7621
UC 3662AB

28' : 18408+7624
MLR 214

35' : 18464+7526
YSC 10

37' : 18535+7547
STF2452

45' : 18319+7605
LOC 367

57' : 18420+7656
LOC 384

65' : 18437+7704
TDT1021

67' : 18582+7519
WOR 26

69' : 18397+7455
LDS1889

76' : 18538+7708
LOC 387

77' : 18344+7708
LOC 369

105' : 18374+7741
STT 363

105' : 18271+7726
CVR 869

111' : 18438+7750
LOC 385

115' : 18371+7409
TDT 960

120' : 18401+7758
TDT 985

149' : 18554+7824
LDS1896

151' : 18273+7344
KPP1362

154' : 18340+7830
TDT 937

164' : 18539+7840
LDS1895

167' : 19023+7834
LDS1898

177' : 18275+7316
TOI2253

197' : 18576+7250
OSO 106

200' : 18400+7241
CFN 15

200' : 18324+7245
CRB 205



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.

18444+7600 LDS 1892

 
 
18h 44m 09.60s +75° 59' 27.4" P.A. 31.00 sep 21.6 mag 10.74,13.93 Sp M0V dist. 38.88 pc (126.83 l.y.)
 
 
Coord 2000 18444+7600 Discov num LDS1892 Comp Coord arcsec 2000 18 44 09.60 +75 59 27.4
Date first 1965 Date last 2016 Obs 13
Pa first 32 Pa last 31.3 P.A. Now (θ) 31.3°
Sep first 21.0 Sep last 21.647 Sep. Now (ρ) 21.647"
Mag pri 10.74 Mag sec 13.93 delta mag (ΔM) 3.19 Spectral class M0V (red)
Pri motion ra -122 Sec motion ra -123
Pri motion dec +151 Sec motion dec +148
Notes V (Proper motion indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 91906 Tycho2 4583-00823-1 Gaia DR2 2268625300824248448
Distance 38.88 Distance ly 126.83
 
 
WDS 18444+7600 LDS 1892 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18444+7600 LDS1892 2000 2 32 21.6 10.74 13.93 DV 184409.60+755927.4
18444+7600 LDS1892 2004 3 31 21.7 10.74 13.93 VD 184409.60+755927.4
18444+7600 LDS1892 2015 4 31 21.2 10.74 13.93 M0V V 184409.60+755927.4
18444+7600 LDS1892 2016 13 31 21.6 10.74 13.93 M0V V 184409.60+755927.4

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

 
 
WDS 18444+7600 LDS 1892 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18444+7600 LDS 1892 : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/09/25 g.locatelli mean difficulty 21.24 0.04 30.68 0.06 3.20 1 Rc mag A 9.4 B 12.6
 
 
WDS 18444+7600 : VIRTUAL EYEPIECE
 
 

18444+7600 LDS1892A mag 10.74 Sp M0V 18444+7600 LDS1892B sep 18.7 P.A. 8.40 mag 13.93 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 18444+7600 : ALADIN DSS IMAGE @ 18h 44m 09.60s +75° 59' 27.4"
 
 
 
 
WDS 18444+7600 LDS 1892 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18444+7600 LDS1892 distance=1' 18424+7550 LDS1890 distance=13' 18450+7621 MLR 216Aa,Ab distance=22' 18450+7621 UC 3662AB distance=22' 18408+7624 MLR 214 distance=28' 18464+7526 YSC 10 distance=35' 18535+7547 STF2452 distance=37' 18319+7605 LOC 367 distance=45' 18420+7656 LOC 384 distance=57' 18437+7704 TDT1021 distance=65' 18582+7519 WOR 26 distance=67' 18397+7455 LDS1889 distance=69' 18538+7708 LOC 387 distance=76' 18344+7708 LOC 369 distance=77' 18374+7741 STT 363 distance=105' 18271+7726 CVR 869 distance=105' 18438+7750 LOC 385 distance=111' 18371+7409 TDT 960 distance=115' 18401+7758 TDT 985 distance=120' 18554+7824 LDS1896 distance=149' 18273+7344 KPP1362 distance=151' 18340+7830 TDT 937 distance=154' 18539+7840 LDS1895 distance=164' 19023+7834 LDS1898 distance=167' 18275+7316 TOI2253 distance=177' 18576+7250 OSO 106 distance=197' 18400+7241 CFN 15 distance=200' 18324+7245 CRB 205 distance=200' 18485+7226 A 1132 distance=215' 18395+7940 SKF1085 distance=221' 18411+7953 SKF1647 distance=234' 18500+7957 TDT1077 distance=239' 18475+8010 UC 3672 distance=251' 18441+7129 LDS1891 distance=271' 18312+7131 WIS 328 distance=275' 18252+8028 BVD 128 distance=275' 18317+7120 A 1170 distance=284' 18484+7115 TDT1061 distance=286' 18566+8042 LDS1897 distance=286' 18263+7119 TDT 867 distance=291' 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 18444+7600 LDS1892 31 21.6 1
Show 18424+7550 LDS1890 70 58.1 13
Show 18450+7621 MLR 216 Aa,Ab 35 0.4 22
Show 18450+7621 UC 3662 AB 104 58.6 22
Show 18408+7624 MLR 214 30 0.4 28
Show 18464+7526 YSC 10 331 0.3 35
Show 18535+7547 STF2452 217 5.7 37
Show 18319+7605 LOC 367 137 1.1 45
Show 18420+7656 LOC 384 260 1.2 57
Show 18437+7704 TDT1021 139 0.7 65
Show 18582+7519 WOR 26 162 0.1 67
Show 18397+7455 LDS1889 340 3.9 69
Show 18538+7708 LOC 387 310 8.5 76
Show 18344+7708 LOC 369 297 23.5 77
Show 18374+7741 STT 363 335 0.6 105
Show 18271+7726 CVR 869 195 15.6 105
Show 18438+7750 LOC 385 321 3.2 111
Show 18371+7409 TDT 960 220 2.0 115
Show 18401+7758 TDT 985 26 0.7 120
Show 18554+7824 LDS1896 133 6.0 149
Show 18273+7344 KPP1362 123 10.3 151
Show 18340+7830 TDT 937 154 1.6 154
Show 18539+7840 LDS1895 45 33.3 164
Show 19023+7834 LDS1898 345 112.0 167
Show 18275+7316 TOI2253 291 26.3 177
Show 18576+7250 OSO 106 320 15.1 197
Show 18400+7241 CFN 15 110 0.8 200
Show 18324+7245 CRB 205 208 12.5 200
Show 18485+7226 A 1132 125 5.5 215
Show 18395+7940 SKF1085 110 1.5 221
Show 18411+7953 SKF1647 343 9.9 234
Show 18500+7957 TDT1077 34 2.0 239
Show 18475+8010 UC 3672 260 49.2 251
Show 18441+7129 LDS1891 98 3.2 271
Show 18312+7131 WIS 328 182 940.0 275
Show 18252+8028 BVD 128 317 24.7 275
Show 18317+7120 A 1170 188 0.9 284
Show 18484+7115 TDT1061 216 0.6 286
Show 18566+8042 LDS1897 115 11.7 286
Show 18263+7119 TDT 867 303 1.8 291

 
 
WDS 18444+7600 : COMPONENTS
 
 
  A
B pa=8.4°
sep=18.70"
 
 
18444+7600 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184409.60+755927.4 Mag 10.74 Spectral class M0V (red)
PmRA -122.00 PmDE 151.0 HIP 91906 Tycho2 4583-00823-1
Tycho2
Tycho2 4583-00823-1 Pflag RAmdeg 281.04002884 DEmdeg 75.99093912
PmRA -122.3 PmDE 152.9 E RAmdeg 31 E DEmdeg 32
E pmRA 2.0 E pmDE 2.1 EpRAm 1986.35 EpDEm 1986.19
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.1 Q pmRA 0.7
Q pmDE 1.1 BTmag 12.335 E BTmag 0.153 VTmag 10.846
E VTmag 0.057 Prox 999 TYC T HIP 91906
CCDM RAdeg 281.04120056 DEdeg 75.99059750 EpRA 1990 1.87
EpDE 1990 1.79 E RAdeg 42.8 E DEdeg 46.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 91906 Proxy RAhms 18 44 09.89
DEdms +75 59 26.0 Vmag 10.71 VarFlag R Vmag G
RAdeg 281.041 DEdeg 75.9906 AstroRef Plx 24.86
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 1.63
SpType M0 R SpType Coord arcsec 2000 184409.89+755926.0
Hipparcos 2
HIP 91906 Sn 5 So 0 Nc 1
RArad 4.9050941526 DErad 1.3262855591 Plx 25.72 PmRA -123.27
PmDE 154.13 E RArad 1.14 E DErad 1.02 E Plx 1.17
E pmRA 1.14 E pmDE 1.34 Hpmag 10.8412 E Hpmag 0.0054
SHp 0.043 VA 0 BV 1.38 E BV 0.015
VI 1.63
 
 
18444+7600 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184410.35+755945.9 Mag 13.93 PmRA -123.00
PmDE 148.0 Calc delta mag 3.19 Calc coord yes