07261-2515 EVS 3 (SS CMa)

Coord 2000	07261-2515		Discov num	EVS   3		Comp			Coord arcsec 2000	07 26 07.20 -25 15 26.4
Date first	1990		Date last	2015		Obs	4
Pa first	53		Pa last	53.9		P.A. Now (θ)	53.9°
Sep first	13.9		Sep last	13.68		Sep. Now (ρ)	13.68"
Mag pri	9.80		Mag sec	15.50		delta mag (ΔM)	5.7		Spectral class	F6 (yellow-white)
Pri motion ra	-005		Sec motion ra
Pri motion dec	+008		Sec motion dec
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

Var name	SS CMa		Constellation	Canis Major		HIP	36088		Tycho2	6542-01119-1
Gaia DR2	5616601820448126336		CD	CD-25 4516		CP	CP-25 2361		Distance	2500
Distance ly	8155

discov_num	notes	refcode
EVS 3	Classical Cepheid SS CMa.

refcode	metd	author	reference
Evs1993	C -	Udalski, A. & Evans, N.R.	1993AJ....106..348U
Evs1993		AJ 106, 348, 1993
Evs1994	C -	Evans, N.R. & Udalski, A.	1994AJ....108..653E
Evs1994		AJ 108, 653, 1994
Evs2005	Ha j	Evans, N.R., Schaefer, G., Bond, H., Bono, G., Karovska, M., Nelan, E., &	2005AAS...207.1104E
Evs2005		Sasselov, D.
Evs2005	+orb	AAS meeting 207, #11.04, 2006
Evs2006	H j	Evans, N.R., Franz, O., Massa, D., Mason, B., Walker, R.L., & Marovska, M.	2006PASP..118.1545E
Evs2006	+S	PASP 118, 1545, 2006
Evs2008	Ha j	Evans, N.R., Schaefer, G.H., Bond, H., Bono, G., Karovska, M., Nelan, E.,	2008AJ....136.1137E
Evs2008		Sasselov, D., & Mason, B.D.
Evs2008		AJ 136, 1137, 2008
Evs2009	Hs j	Evans, N.R., Massa, D., & Proffitt, C.	2009AJ....137.3700E
Evs2009	+E2	AJ 137, 3700, 2009
Evs2013	Hp j	Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M., & Tingle, E.	2013AJ....146...93E
Evs2013	+X	AJ 146, 93, 2013
Evs2016a	H3 -	Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Tingle, E., Karovska, M., &	2016AJ....151..129E
Evs2016a		Pillitteri, I.
Evs2016a		AJ 151, 129, 2016
Evs2016a		(some theta values replaced with more precise values from Evs2016b)	2016AJ....151..108E
Evs2016b	H3 -	Evans, N.R., Pillitteri, I., Wolk, S., Karovska, M., Tingle, E., Guinan, E.,	2016AJ....151..108E
Evs2016b		Engle, S., Bond, H.E., Schaefer, G.H., & Mason, B.D.
Evs2016b		AJ 151, 108, 2016 (most measures also in Evs2016a)	2016AJ............E
Evs2018	H -	Evans, N.R., Karovska, M., Bond, H.E., Schaefer, G.H., Sahu, K.C., Mack, J.,	2018ApJ...863..187E
Evs2018	+orb	Nelan, E.P., Gallenne, A. & Tingle, E.D.
Evs2018		ApJ 863, 187, 2018
Evs2020	- -	Evans, N.R., Pillitteri, I., Molnar, L., Szabados, L., Plachy, E., Szabo, R.,	2020AJ....159..121E
Evs2020		Engle, S., Guinan, E., Wolk, S., Gunther, H.M., Neilson, H., Marengo, M., Matthews,
Evs2020		L.D., Moschou, S., Drake, J.J., Kashyap, V., Kervella, P., Tordai, T., Somogyi, P.
Evs2020		& Burki, G.
Evs2020		AJ 159, 121, 2020
Evs2020b	H3	Evans, N.R., Gunther, H.M., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M.,	2020ApJ...905...81E
Evs2020b		Tingle, E., Wolk, S., Engle, S., Guinan, E., Pillitteri, I., Proffitt, C.,
Evs2020b		Kervella, P. & Gallenne, A.
Evs2020b		ApJ 905, 81, 2020

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07261-2515	EVS 3		1990	1	53	13.9	9.80	15.50	F6	NV	072607.20-251526.4
07261-2515	EVS 3		1999	2	54	13.9	9.80	15.50	F6	NV	072607.20-251526.4
07261-2515	EVS 3		2015	5	54	13.7	9.80	15.50	F6	NV	072607.20-251526.4

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

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