18367-0811 KRV 21 (EV Sct)

Coord 2000	18367-0811		Discov num	KRV  21		Comp			Coord arcsec 2000	18 36 39.60 -08 11 05.4
Date first	1999		Date last	2015		Obs	6
Pa first	29		Pa last	29.4		P.A. Now (θ)	29.4°
Sep first	24.8		Sep last	24.71		Sep. Now (ρ)	24.71"
Mag pri	9.70		Mag sec	13.60		delta mag (ΔM)	3.9		Spectral class	G0II+B9V (yellow/blue-white)
Pri motion ra	-000		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

Var name	EV Sct		Constellation	Scutum		HIP	91239		Tycho2	5691-00913-1
BD	BD-08 4652		Distance	3030.3		Distance ly	9884.84

discov_num	notes	refcode
KRV 21	Classical Cepheid EV Sct.

refcode	metd	author	reference
Krv2009	A -	Kervella, P., Thevenin, F., & Petr-Gotzens, M.G.	2009A&A...493..107K
Krv2009	+Pa	A&A 493, 107, 2009
Krv2013	A j	Kervella, P., Merand, A., Petr-Gotzens, M.G., & Thevenin, F.	2013A&A...552A..18K
Krv2013		A&A 552, A18, 2013
Krv2016	A j	Kervella, P., Merand, A., Ledoux, C., Demory, B.-O., & Le Bouquin, J.-B.	2016A&A...593A.127K
Krv2016	+Kv	A&A 593, A127, 2016
Krv2016b	A j	Kervella, P., Mignard, F., Merand, A. & Thevenin, F.	2016A&A...594A.107K
Krv2016b	+Ka	A&A 594, A107, 2016
Krv2017	orb -	Kervella, P., Thevenin, F., & Lovis, C.	2017A&A...598L...7K
Krv2017		A&A 598, L7, 2017
Krv2019a	orb+-	Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A.,	2019A&A...623A.116K
Krv2019a	+not	Proto, Y., Karczmarek, P., Nardetto, N., Gieren, W. & Pietrzynski, G.
Krv2019a		A&A 623, A116, 2019
Krv2019b	Hg+ -	Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A.,	2019A&A...623A.117K
Krv2019b	+not	Nardetto, N., Gieren, W. & Pietrzynski, G.
Krv2019b		A&A 623, A117, 2019
Krv2019b		for Krv2019b no position angle, provided by P. Kervella by email.
Krv2022	A+	Kervella, P., Borgniet, S., de Souza, A.D., Merand, A., Gallenne, A., Rivinius, T.,	2022A&A...667A.111K
Krv2022	+Kv+	Lacour, S., Carciofi, A., Faes, D.M., Le Bouquin, J.-B., Taormina, M., Pilecki, B.,
Krv2022	+C+	Berger, J.-P., Bendjoya, P., Klement, R., Millour, F., Janot-Pacheco, E., Spang, A.
Krv2022	+orb	& Vakili, F.
Krv2022		A&A 667, A111, 2022

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18367-0811	KRV 21		2015	6	29	24.7	9.70	13.60	G0II+B9V	NV	183639.60-081105.4

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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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