11097-5850 KRV 2 AB (ER Car)

11^h 09^m 41.14^s -58° 50' 15.8" P.A. 241.00 sep 35.4 mag 6.60,18.40 Sp F6Ib+M0V dist. 757.58 pc (2471.23 l.y.)

Coord 2000	11097-5850	Discov num	KRV 2	Comp	AB	Coord arcsec 2000	11 09 41.14 -58 50 15.8
Date first	2015	Date last	2015	Obs	1
Pa first	241	Pa last	240.7	P.A. Now (θ)	240.7°
Sep first	35.4	Sep last	35.39	Sep. Now (ρ)	35.39"
Mag pri	6.60	Mag sec	18.40	delta mag (ΔM)	11.8	Spectral class	F6Ib+M0V (yellow-white/red)
Pri motion ra	-010	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

11097-5850 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	ER Car	238825	11 09 41 -58 50 16	KRV 2 AB	2015	1	241	35.4	6.60	18.40	11.80		<===
Show		238825	11 09 41 -58 50 16	KRV 2 AC	2015	1	245	12.9	6.60	18.40	11.80

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	ER Car	Constellation	Carina	SAO	238825	HIP	54543
Tycho2	8628-00531-1	HD	97082	GC	15351	CD	CD-58 3872
CP	CP-58 3216	Distance	757.58	Distance ly	2471.23

WDS 11097-5850 KRV 2 AB (ER Car) : NOTES

discov_num	notes	refcode
KRV 2	Classical Cepheid ER Car.

REFERENCES

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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
11097-5850	KRV 2	AB	2015	1	241	35.4	6.60	18.40	F6Ib+M0V	NV	110941.14-585015.8

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

WDS 11097-5850 KRV 2 AB (ER Car) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 11097-5850 KRV 2 AB (ER Car) : MEASURES

No records found.

WDS 11097-5850 (ER Car) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 11097-5850 (ER Car) : ALADIN DSS IMAGE @ 11^h 09^m 41.14^s -58° 50' 15.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 11097-5850 KRV 2 AB (ER Car) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		11097-5850	KRV 2	AB	241	35.4
Show		11097-5850	KRV 2	AC	245	12.9
Show		11103-5859	TOI1918	AB	287	16.2	11
Show		11103-5859	TOI1918	AC	321	16.3	11
Show		11107-5903	SKF 180		115	2.0	16
Show		11104-5907	TDS7711		175	0.9	18
Show		11117-5904	LDS 337		337	17.1	21
Show		11074-5842	I 419		231	3.9	21
Show		11123-5846	POM 7	AB	153	0.7	21
Show		11123-5846	POM 7	AC	156	1.9	21
Show		11123-5846	POM 7	AD	244	4.1	21
Show		11124-5902	TDS7731		32	1.7	25
Show		11070-5837	JSP 468		229	2.5	26
Show		11126-5839	HDS1599		57	0.3	26
Show		11124-5835	RSS 256		203	22.7	27
Show		11065-5841	HDO 210	AB	234	29.3	27
Show		11065-5841	HDO 210	AC	186	39.1	27
Show		11061-5841	HJ 4404		297	8.3	29
Show		11135-5856	TDS7742		120	0.4	30
Show		11100-5923	TDS 619		257	0.8	34
Show		11084-5818	TDS7692		148	1.8	34
Show		11056-5838	JSP 464		159	1.7	35
Show		11056-5837	DAM 542		201	8.5	35
Show		11055-5837	COO 122		357	8.4	35
Show		11051-5851	RST5521		12	0.3	36
Show		11053-5905	DAW 11		30	4.1	38
Show		11111-5815	TDS7720		227	0.8	38
Show		11054-5836	JSP 462		280	1.2	38
Show		11139-5911	TDS7747		273	0.8	39
Show		11108-5813	JSP 475		261	3.9	39
Show		11073-5816	JSP 910		138	9.0	39
Show		11047-5842	FIN 176		6	0.5	40
Show		11148-5850	TDS 625		357	2.0	40
Show		11055-5827	JSP 463		306	0.6	40
Show		11145-5906	TDS7752		350	1.9	41
Show		11055-5825	KPP2909		60	32.3	42
Show		11059-5919	FIN 177		279	2.9	42
Show		11117-5930	TDS7724		245	2.3	43
Show		11121-5812	HU 1602		91	3.6	43
Show		11041-5850	RST5520		345	1.4	44
Show		11046-5832	JSP 460		241	1.2	44
Show		11054-5822	HLN 23		176	0.2	45
Show		11155-5851	TDS7765		288	0.8	45
Show		11059-5815	JSP 466		14	2.7	46
Show		11148-5914	TDS7756		218	2.6	47
Show		11037-5847	RST5519		150	0.4	47
Show		11139-5817	TDS7746		174	0.4	48
Show		11038-5835	JSP 458		248	0.4	49
Show		11042-5828	HLN 22	Aa,Ab	145	0.2	49
Show		11042-5828	JSP 459	AB	123	2.3	49
Show		11065-5937	TDS7668		163	1.9	53

WDS 11097-5850 : COMPONENTS

	A	B
B	pa=222.7° sep=23.56"
C	pa=227.7° sep=8.19"	pa=40.0° sep=15.42"

11097-5850 A

Name	ER Car	Coord arcsec 2000	110941.14-585015.8	Mag	6.6	Spectral class	F6Ib (yellow-white)
PmRA	-10.00	PmDE	2.0	SAO	238825	HIP	54543
Tycho2	8628-00531-1	HD	97082	GC	15351	CD	CD-58 3872
CP	CP-58 3216

Tycho2

Tycho2	8628-00531-1	Pflag		RAmdeg	167.42143684	DEmdeg	-58.83772222
PmRA	-8.2	PmDE	4.5	E RAmdeg	5	E DEmdeg	5
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.17	EpDEm	1991.28
Num	12	Q RAmdeg	0.6	Q DEmdeg	0.8	Q pmRA	0.7
Q pmDE	0.8	BTmag	7.868	E BTmag	0.015	VTmag	6.919
E VTmag	0.010	Prox	999	TYC	T	HIP	54543
CCDM		RAdeg	167.42147389	DEdeg	-58.83773250	EpRA 1990	1.66
EpDE 1990	1.75	E RAdeg	4.6	E DEdeg	4.5	Posflg
Corr	-0.2

SAO

SAO	238825	DelFlag		RA1950		PmRA1950	0.0001
DE1950		PmDE1950	-0.017	Vmag		SpType	F8
Double code		Source	70	CatNum	15351	DM	CP-58 3216
DMcomp		BDsup		HD	97082	M HD	0
GC	15351	RA1950rad	2.91266487	DE1950rad	-1.02217883	PmRA2000	-0.0002
PmDE2000	-0.014

Hipparcos

Catalog	H	HIP	54543	Proxy		RAhms	11 09 41.15
DEdms	-58 50 15.8	Vmag	6.79	VarFlag	3	R Vmag	T
RAdeg	167.421	DEdeg	-58.8377	AstroRef		Plx	1.36
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	97082	BD
CD	CD-58 3872	CP	CP-58 3216	Dm number	-58 3872	VIred	0.87
SpType	G1Iab/Ib	R SpType		Coord arcsec 2000	110941.15-585015.8

Hipparcos 2

HIP	54543	Sn	5	So	0	Nc	1
RArad	2.9220559534	DErad	-1.0269121426	Plx	1.32	PmRA	-9.01
PmDE	2.66	E RArad	0.57	E DErad	0.49	E Plx	0.65
E pmRA	0.76	E pmDE	0.54	Hpmag	6.9442	E Hpmag	0.0326
SHp	0.22	VA	1	BV	0.831	E BV	0.037
VI	0.85

11097-5850 B

Coord arcsec 2000	110939.08-585033.1		Mag	18.4		Spectral class	M0V (red)		Calc delta mag	11.8
Calc coord	yes

11097-5850 C

Coord arcsec 2000	110940.36-585021.3		Mag	18.4		Spectral class	M0V (red)		Calc delta mag	11.8
Calc coord	yes