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Doubles in session


Current system
08405+1933
S 574 AB
Meleph


Nearby doubles
8' : 08399+1933
BU 584AB

8' : 08404+1940
STF1254AB

9' : 08408+1940
BOV 47

12' : 08403+1921
CHR 130

13' : 08401+1944
PAT 45

13' : 08397+1939
HZG 6

14' : 08396+1926
BOV 39

15' : 08403+1947
BOV 41

20' : 08404+1913
BOV 43

21' : 08391+1941
S 570AB

21' : 08413+1916
KU 32

22' : 08404+1911
BOV 44

27' : 08419+1915
SLE 337

29' : 08401+2000
ENG 37AB

30' : 08411+1904
BOV 48

31' : 08422+1950
SLW 280

31' : 08425+1924
BOV 50

34' : 08382+1922
BOV 35

34' : 08400+1900
SLE 333

34' : 08391+2000
OCC 637

35' : 08397+2005
COU 47

38' : 08400+2009
ARN 105AB

39' : 08431+1926
BOV 53AB

39' : 08403+2012
BOV 40

40' : 08377+1931
HJ 454AB

40' : 08423+2002
COU 382



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.

08405+1933 S 574 AB (Meleph)

 
 
08h 40m 27.01s +19° 32' 41.3" P.A. 250.00 sep 134.0 mag 6.28,7.48 Sp A5m dist. 179.86 pc (586.7 l.y.)
 
 
Coord 2000 08405+1933 Discov num S   574 Comp AB Coord arcsec 2000 08 40 27.01 +19 32 41.3
Date first 1825 Date last 2015 Obs 28
Pa first 249 Pa last 249.9 P.A. Now (θ) 249.9°
Sep first 132.8 Sep last 133.97 Sep. Now (ρ) 133.97"
Mag pri 6.28 Mag sec 7.48 delta mag (ΔM) 1.2 Spectral class A5m (white)
Pri motion ra -036 Sec motion ra -038
Pri motion dec -013 Sec motion dec -013
Notes N (See Notes)
rPM=0.05 (< 0.3, Physical double)
This double is physical.
 
 
08405+1933 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 98024 08 40 27 +19 32 41 CIA 28 Aa,Ab 2021 14 171 0.0 6.60 6.80 0.20
Show Meleph 98024 08 40 27 +19 32 41 S 574 AB 2015 28 250 134.0 6.28 7.48 1.20 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Meleph Constellation Cancer SAO 98024 HIP 42556
Tycho2 1395-02733-1 HD 73731 HR 3429 GC 11893
BD BD+20 2171 Bayer Epsilon Cancri Bayer name Eps Cnc Flamsteed 41 Cancri
Flamsteed name 41 Cnc Distance 179.86 Distance ly 586.7 Bayer greek ε Cnc
 
 
WDS 08405+1933 S 574 AB (Meleph) : NOTES
 
 
discov_num notes refcode
CIA 28 Aa,Ab : Mass of Aa determined to be 2.420 +/- 0.008 \msun.
Aa,Ab : Mass of Ab determined to be 2.226 +/- 0.004 \msun.
Distance 183.1 +/- 0.35 pc. CIA2022c
S 574 eps Cnc = 41 Cnc = Meleph, a spectroscopic binary. B is BD+20@2163.
 
 
REFERENCES
 
 
refcode metd author reference
CIA2022c Kc+ j Morales, L.M., Sandquist, E.L., Schaefer, G.H., Farrington, C.D., Klement, R., 2022AJ...164....34M
CIA2022c +orb Bedin, L.R., Libralato, M., Malavolta, L., Nardiello, D., Orosz, J.A., Monnier,
CIA2022c J.D., Kraus, S., Le Bouquin, J.-B., Anugu, N., ten Brummelaar, T., Davies, C.L.,
CIA2022c Ennis, J., Gardner, T. & Lanthermann, C.
CIA2022c AJ 164, 34, 2022
 
 
DISCOVERER
 
 
idgroup discov author
1 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08405+1933 S 574 AB 2015 28 250 134.0 6.28 7.48 A5m N 084027.01+193241.3

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

 
 
WDS 08405+1933 S 574 AB (Meleph) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08405+1933 S 574 AB (Meleph) : MEASURES
 
 
No records found.

 
 
WDS 08405+1933 (Meleph) : VIRTUAL EYEPIECE
 
 

08405+1933 S 574A mag 6.28 Sp A5m 08405+1933 CIA 28Ab mag 6.8 08405+1933 S 574B sep 127.2 P.A. 248.80 mag 7.48 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 08405+1933 (Meleph) : ALADIN DSS IMAGE @ 08h 40m 27.01s +19° 32' 41.3"
 
 
 
 
WDS 08405+1933 S 574 AB (Meleph) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08405+1933 S 574AB (Meleph) distance=0' 08399+1933 BU 584AB distance=8' 08399+1933 S 571AD distance=8' 08399+1933 S 571AG distance=8' 08399+1933 GII 164Aa,Ab distance=8' 08404+1940 STF1254AB distance=8' 08404+1940 STF1254AC distance=8' 08404+1940 STF1254AD distance=8' 08404+1940 SMR 30AE distance=8' 08404+1940 BOV 42Ba,Bb distance=8' 08408+1940 BOV 47 distance=9' 08399+1933 CHR 156Da,Db distance=9' 08399+1933 BKO 34DE distance=9' 08399+1933 BU 584DC distance=9' 08404+1940 S 572CD distance=9' 08403+1921 CHR 130 distance=12' 08401+1944 PAT 45 distance=13' 08397+1939 HZG 6 distance=13' 08396+1926 BOV 39 distance=14' 08403+1947 BOV 41 distance=15' 08404+1913 BOV 43 distance=20' 08391+1941 S 570AB distance=21' 08391+1941 S 570AC distance=21' 08413+1916 KU 32 distance=21' 08404+1911 BOV 44 distance=22' 08401+2000 CHR 28Ba,Bb distance=26' 08401+2000 BUP 120BR distance=26' 08419+1915 SLE 337 distance=27' 08418+1952 OCC 638Fa,Fb distance=28' 08401+2000 ENG 37AB distance=29' 08401+2000 ENG 37AC distance=29' 08401+2000 ENG 37AD distance=29' 08401+2000 SLE 685AR distance=29' 08401+2000 SLE 335AS distance=29' 08401+2000 PAT 44Ca,Cb distance=30' 08401+2000 SLE 335CS distance=30' 08411+1904 BOV 48 distance=30' 08422+1950 SLW 280 distance=31' 08425+1924 BOV 50 distance=31' 08382+1922 BOV 35 distance=34' 08400+1900 SLE 333 distance=34' 08391+2000 OCC 637 distance=34' 08404+2006 PAT 46CJ distance=34' 08397+2005 COU 47 distance=35' 08400+2009 ARN 105AB distance=38' 08431+1926 BOV 53AB distance=39' 08403+2012 BOV 40 distance=39' 08377+1931 HJ 454AB distance=40' 08423+2002 COU 382 distance=40' 08431+1947 BOV 52 distance=41' 08392+1856 SLE 332 distance=41' 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 Meleph 08405+1933 S 574 AB 250 134.0
Show Meleph 08405+1933 CIA 28 Aa,Ab 171 0.0
Show 08399+1933 BU 584 AB 290 0.9 8
Show 08399+1933 S 571 AD 242 92.1 8
Show 08399+1933 S 571 AG 158 45.7 8
Show 08399+1933 GII 164 Aa,Ab 101 0.2 8
Show 08404+1940 STF1254 AB 55 20.8 8
Show 08404+1940 STF1254 AC 343 62.5 8
Show 08404+1940 STF1254 AD 44 83.5 8
Show 08404+1940 SMR 30 AE 156 15.9 8
Show 08404+1940 BOV 42 Ba,Bb 25 1.8 8
Show 08408+1940 BOV 47 45 0.1 9
Show 08399+1933 CHR 156 Da,Db 241 0.6 9
Show 08399+1933 BKO 34 DE 3 35.4 9
Show 08399+1933 BU 584 DC 89 99.6 9
Show 08404+1940 S 572 CD 91 72.6 9
Show 08403+1921 CHR 130 160 0.1 12
Show 08401+1944 PAT 45 208 0.9 13
Show 08397+1939 HZG 6 55 2.8 13
Show 08396+1926 BOV 39 352 1.1 14
Show 08403+1947 BOV 41 69 0.1 15
Show 08404+1913 BOV 43 205 0.5 20
Show 08391+1941 S 570 AB 84 57.3 21
Show 08391+1941 S 570 AC 345 178.6 21
Show 08413+1916 KU 32 165 2.2 21
Show 08404+1911 BOV 44 192 2.5 22
Show 08401+2000 CHR 28 Ba,Bb 134 0.4 26
Show 08401+2000 BUP 120 BR 147 140.3 26
Show 08419+1915 SLE 337 348 22.8 27
Show 08418+1952 OCC 638 Fa,Fb -1 0.0 28
Show 08401+2000 ENG 37 AB 150 151.8 29
Show 08401+2000 ENG 37 AC 309 134.0 29
Show 08401+2000 ENG 37 AD 111 134.9 29
Show 08401+2000 SLE 685 AR 150 290.3 29
Show 08401+2000 SLE 335 AS 325 261.7 29
Show 08401+2000 PAT 44 Ca,Cb 22 0.3 30
Show 08401+2000 SLE 335 CS 340 137.1 30
Show 08411+1904 BOV 48 123 0.4 30
Show 08422+1950 SLW 280 160 75.7 31
Show 08425+1924 BOV 50 306 2.9 31
Show 08382+1922 BOV 35 27 0.2 34
Show 08400+1900 SLE 333 25 25.2 34
Show 08391+2000 OCC 637 -1 0.0 34
Show 08404+2006 PAT 46 CJ 153 0.4 34
Show 08397+2005 COU 47 140 0.6 35
Show 08400+2009 ARN 105 AB 153 91.2 38
Show 08431+1926 BOV 53 AB 159 0.1 39
Show 08403+2012 BOV 40 289 0.3 39
Show 08377+1931 HJ 454 AB 271 36.4 40
Show 08423+2002 COU 382 348 0.3 40
Show 08431+1947 BOV 52 222 0.4 41

 
 
WDS 08405+1933 : COMPONENTS
 
 
  A Ab
Ab pa=171.2°
sep=0.00"
 
B pa=248.8°
sep=127.19"
pa=248.8°
sep=127.19"
 
 
08405+1933 A
 
 
Common name Meleph Coord arcsec 2000 084027.01+193241.3 Mag 6.28 Spectral class A5m (white)
PmRA -36.00 PmDE -13.0 SAO 98024 HIP 42556
Tycho2 1395-02733-1 HD 73731 HR 3429 GC 11904
BD BD+20 2171 Bayer Epsilon Cancri Bayer name Eps Cnc Flamsteed 41 Cancri
Flamsteed name 41 Cnc
Tycho2
Tycho2 1395-02733-1 Pflag RAmdeg 130.11254732 DEmdeg 19.54480626
PmRA -33.5 PmDE -13.7 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.50 EpDEm 1991.12
Num 17 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 6.487 E BTmag 0.015 VTmag 6.284
E VTmag 0.010 Prox 999 TYC T HIP 42556
CCDM RAdeg 130.11262778 DEdeg 19.54483861 EpRA 1990 1.85
EpDE 1990 1.48 E RAdeg 3.7 E DEdeg 4.3 Posflg
Corr 0.3
SAO
SAO 98024 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.01 Vmag 6.3 SpType A2
Double code Source 70 CatNum 11904 DM BD+20 2171
DMcomp BDsup HD 73731 M HD 0
GC 11904 RA1950rad 2.25838825 DE1950rad 0.34423262 PmRA2000 -0.0028
PmDE2000 -0.006
Hipparcos
Catalog H HIP 42556 Proxy RAhms 08 40 27.03
DEdms +19 32 41.4 Vmag 6.29 VarFlag R Vmag H
RAdeg 130.113 DEdeg 19.5448 AstroRef Plx 5.95
CCDM 08404+1932 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 73731 BD BD+20 2171
CD CP Dm number +20 2171 VIred 0.18
SpType Am R SpType Coord arcsec 2000 084027.03+193241.4
Hipparcos 2
HIP 42556 Sn 5 So 0 Nc 1
RArad 2.2708938906 DErad 0.3411218238 Plx 5.56 PmRA -35.6
PmDE -12.98 E RArad 0.52 E DErad 0.32 E Plx 0.56
E pmRA 0.55 E pmDE 0.46 Hpmag 6.3427 E Hpmag 0.0009
SHp 0.006 VA 0 BV 0.17 E BV 0.003
VI 0.18
 
 
08405+1933 Ab
 
 
Coord arcsec 2000 084027.01+193241.3 Mag 6.8 Calc delta mag 0.2 Calc coord yes
 
 
08405+1933 B
 
 
Coord arcsec 2000 084018.62+193155.3 Mag 7.48 PmRA -38.00 PmDE -13.0
SAO 98018 Tycho2 1395-01677-1 HD 73711 GC 11893
DM BD+20 2163 Calc delta mag 0.88 Calc coord yes
Tycho2
Tycho2 1395-01677-1 Pflag RAmdeg 130.07541453 DEmdeg 19.53198617
PmRA -32.8 PmDE -11.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.33 EpDEm 1990.79
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.2 BTmag 7.671 E BTmag 0.016 VTmag 7.481
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 130.07549361 DEdeg 19.53201278 EpRA 1990 1.77
EpDE 1990 1.45 E RAdeg 4.9 E DEdeg 5.7 Posflg
Corr 0.4
SAO
SAO 98018 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.014 Vmag 7.4 SpType A0
Double code Source 70 CatNum 11893 DM BD+20 2163
DMcomp BDsup HD 73711 M HD 0
GC 11893 RA1950rad 2.2577403 DE1950rad 0.34400496 PmRA2000 -0.0028
PmDE2000 -0.01