00263-4218 CRU 9004 (Ankaa)

Coord 2000	00263-4218		Discov num	CRU9004		Comp			Coord arcsec 2000	00 26 17.05 -42 18 21.6
Date first	1879		Date last	2010		Obs	4
Pa first	141		Pa last	132.3		P.A. Now (θ)	132.3°
Sep first	249.7		Sep last	183.04		Sep. Now (ρ)	183.04"
Mag pri	2.40		Mag sec	9.40		delta mag (ΔM)	7		Spectral class	K0.5IIIb (yellow-orange)
Pri motion ra	+233		Sec motion ra	+030
Pri motion dec	-356		Sec motion dec	+002
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.967 This double is not physical.

Common name	Ankaa		Constellation	Phoenix		SAO	215093		HIP	2081
Tycho2	7527-01031-1		HD	2261		HR	99		GC	519
CD	CD-42 116		CP	CP-42 34		Bayer	Alpha Phoenicis		Bayer name	Alp Phe
FK5	12		Distance	25.97		Distance ly	84.71		Bayer greek	α Phe

Period (P)	3848.8d (10.54y)		Periastron (T)	16201.8d (1903.235y)		Semi-major axis (a)	103.5m	± 8.2
Eccentricity (e)	0.34		Inclination (i)	128°	± 5.4	Longitude of periastron (ω)	19.8°
Node (Ω)	242.8°	± 3.9	Notes	n		Reference	Jnc2005
Equinox			Last observation	1992		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000 104.0 0.077 2001 79.9 0.112 2002 65.9 0.132 2003 54.3 0.136 2004 42.0 0.125 2005 25.6 0.102 2006 357.7 0.075 2007 307.9 0.061 2008 257.6 0.070 2009 208.6 0.057 2010 130.2 0.057 2011 90.6 0.095 2012 72.8 0.123 2013 60.4 0.136 2014 48.9 0.132 2015 35.3 0.116 2016 14.9 0.089 2017 337.3 0.065 2018 282.7 0.064 2019 237.3 0.068 2020 172.9 0.049 2021 106.8 0.074 2022 81.2 0.110 2023 66.8 0.131 2024 55.2 0.136 2025 43.0 0.126 2026 27.1 0.104 2027 0.5 0.076 2028 312.1 0.061 2029 260.9 0.069 2030 213.3 0.059 2031 135.3 0.055 2032 92.4 0.092 2033 73.9 0.122 2034 61.3 0.135 2035 49.8 0.133 2036 36.4 0.117 2037 16.9 0.091 2038 341.0 0.066 2039 286.6 0.064 2040 240.7 0.069 2041 179.3 0.050 2042 109.9 0.071 2043 82.5 0.108 2044 67.7 0.130 2045 56.0 0.136 2046 44.0 0.127 2047 28.6 0.106 2048 3.2 0.078 2049 316.4 0.061 2050 264.2 0.069		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Period (P)	46.1512d	± 0.0002	Periastron (T)	54324.14d (2007.61y)	± 0.03	Semi-major axis (a)	2.5m	± 0.5
Eccentricity (e)	0.285	± 0.001	Inclination (i)	166.5°	± 2.6	Longitude of periastron (ω)	320.6°	± 0.3
Node (Ω)	270.2°	± 11.2	Notes			Reference	SaJ2011
Equinox			Last observation			Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 63.8 0.003 2001-01-01 87.7 0.003 2002-01-01 107.4 0.003 2003-01-01 125.4 0.003 2004-01-01 143.5 0.003 2005-01-01 163.2 0.003 2006-01-01 186.2 0.003 2007-01-01 215.6 0.002 2008-01-01 255.5 0.002 2009-01-01 308.5 0.002 2010-01-01 3.7 0.002 2011-01-01 44.8 0.002 2012-01-01 73.3 0.003 2013-01-01 95.2 0.003 2014-01-01 114.1 0.003 2015-01-01 132.0 0.003 2016-01-01 150.5 0.003 2017-01-01 171.1 0.003 2018-01-01 196.1 0.003 2019-01-01 228.8 0.002 2020-01-01 273.5 0.002 2021-01-01 329.7 0.002 2022-01-01 20.6 0.002 2023-01-01 56.3 0.002 2024-01-01 81.9 0.003 2025-01-01 102.4 0.003 2026-01-01 120.7 0.003 2027-01-01 138.6 0.003 2028-01-01 157.7 0.003 2029-01-01 179.6 0.003 2030-01-01 207.0 0.002 2031-01-01 243.6 0.002 2032-01-01 293.4 0.002 2033-01-01 350.1 0.002 2034-01-01 35.4 0.002 2035-01-01 66.6 0.003 2036-01-01 89.8 0.003 2037-01-01 109.3 0.003 2038-01-01 127.3 0.003 2039-01-01 145.4 0.003 2040-01-01 165.3 0.003 2041-01-01 188.9 0.003 2042-01-01 219.1 0.002 2043-01-01 260.3 0.002 2044-01-01 314.4 0.002 2045-01-01 8.6 0.002 2046-01-01 48.1 0.002 2047-01-01 75.8 0.003 2048-01-01 97.2 0.003 2049-01-01 115.9 0.003 2050-01-01 133.8 0.003		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

discov_num	notes	refcode
CRU9004	alp Phe = Ankaa.

refcode	metd	author	reference
Jnc2005	orb -	Jancart, S., Jorrisen, A., Babusiaux, C., & Pourbaix, D.	2005A&A...442..365J
Jnc2005		A&A 442, 365, 2005
SaJ2011	orb -	Sahlmann, J., Segransan, D., Queloz, D., Udry, S., Santos, N.C., Marmier, M.,	2011A&A...525A..95S
SaJ2011		Mayor, M., Naef, D., Pepe, F., & Zucker, S.
SaJ2011		A&A 525, 95, 2011

idgroup	discov	author
1	CRU	Cruls, L.
4	SAJ	Sahlmann, J., Segransan, D., Queloz, D., Udry, S., Santos, N.C., Marmier, M.,
4	SAJ	Mayor, M., Naef, D., Pepe, F., & Zucker, S.
7	SAJ	Sahlmann, J., Lazorenko, P.F., Segransan, D., Martin, E.L., Queloz, D., Mayor, M.,
7	SAJ	& Udry, S.
10	SAJ	Sahlmann, J., Lazorenko, P.F., Segransan, D., Martin, E.L., Mayor, M., Queloz, D.,
10	SAJ	& Udry, S.
11	SAJ	Sahlmann, J., Burgasser, A.J., Martin, E.L., Lazorenko, P.F., Bardalez Gagliuffi,
11	SAJ	D.C., Mayor, M., Segransan, D., Queloz, D., & Udry, S.
14	SAJ	Sahlmann, J., Burgasser, A.J., Bardelez Gagliuffi, D.C., Lazorenko, P.F.,
14	SAJ	Segransan, D., Zapatero Osorio, M.R., Blake, C.H., Gelino, C.R., Martin, E.L. &

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00263-4218	CRU9004		2010	4	132	182.6	2.40	9.40	K0.5IIIb	U	002617.05-421821.6

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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

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show Ankaa 00263-4218 CRU9004 132 183.0 0 Show 00256-4229 B 1410 234 2.2 13 Show 00263-4200 CRU9003 256 52.0 18 Show 00244-4235 ALD 97 56 2.1 27 Show 00241-4148 CBL 571 122 29.0 39 Show 00282-4252 TDS1477 288 0.7 41 Show 00213-4217 DON 3 120 2.6 57 Show 00267-4120 BRT 637 245 2.0 59 Show 00212-4246 KO 1 317 77.8 63 Show 00283-4319 TDS1479 180 0.6 65 Show 00254-4113 KPP 542 218 5.0 66 Show 00333-4227 WIS 12 125 29.0 79 Show 00324-4139 CPO 106 129 5.2 80 Show 00283-4344 I 703 176 9.2 89 Show 00340-4122 KPP 858 228 7.3 103 Show 00222-4353 HDS 50 357 14.5 105 Show 00284-4033 TDS1481 50 0.5 109 Show 00345-4121 KPP2441 347 21.4 109 Show 00243-4032 KPP2853 16 1.8 110 Show 00340-4338 CBL 579 288 7.7 116 Show 00153-4230 RST3344 3 0.1 123 Show 00152-4206 B 1407 75 1.2 124 Show 00334-4044 HDS 74 327 0.1 124 Show 00254-4423 DON 4 60 6.6 125 Show 00359-4115 B 1412 89 4.0 125 Show 00148-4224 NSN 228 171 1.4 128 Show 00311-4018 KPP4418 265 1.9 132 Show 00154-4113 RST1182 147 0.9 139 Show 00166-4347 TDS1376 115 2.9 139 Show 00247-3948 WG 3 36 6.2 152 Show 00321-3957 WG 4 344 8.6 156 Show 00131-4128 WIS 4 208 144.7 157 Show 00241-3941 RST1187 295 0.6 160 Show 00136-4340 DON 1 249 2.1 162 Show 00319-4456 CPO 22 203 8.0 169 Show 00289-3931 RST1188 18 1.9 171 Show 00394-4359 HJ 3381 38 10.7 176 Show 00408-4112 HJ 3385 248 4.3 176 Show 00276-4514 HDS 63 200 11.0 177 Show 00302-3923 UC 379 51 16.0 182 Show 00153-4006 WG 2 2 13.9 182 Show 00098-4202 TSN 119 117 0.1 185 Show 00099-4309 KPP2231 185 18.5 188 Show 00106-4107 CRU9002 42 92.4 190 Show 00114-4049 BVD 63 AB 126 68.6 190 Show 00121-4028 LDS 2 288 12.7 195 Show 00093-4132 UC 329 326 31.5 195 Show 00170-4506 TDS1380 158 0.9 196 Show 00409-4032 B 1413 120 0.5 196 Show 00219-3908 TDS1421 1 0.7 197 Show 00287-4535 UC 376 14 36.1 198

	A
B	pa=140.9° sep=158.73"

Common name	Ankaa		Coord arcsec 2000	002617.05-421821.6		Mag	2.4		Spectral class	K0.5IIIb (yellow-orange)
PmRA	233.00		PmDE	-356.0		SAO	215093		HIP	2081
Tycho2	7527-01031-1		HD	2261		HR	99		GC	519
CD	CD-42 116		CP	CP-42 34		Bayer	Alpha Phoenicis		Bayer name	Alp Phe
FK5	12

Tycho2	7527-01031-1		Pflag			RAmdeg	6.57094162		DEmdeg	-42.30607839
PmRA	199.9		PmDE	-396.2		E RAmdeg	3		E DEmdeg	3
E pmRA	0.8		E pmDE	0.7		EpRAm	1991.37		EpDEm	1991.46
Num	14		Q RAmdeg	1.7		Q DEmdeg	2.0		Q pmRA	1.6
Q pmDE	2.0		BTmag	3.780		E BTmag	0.014		VTmag	2.496
E VTmag	0.009		Prox	999		TYC	T		HIP	2081
CCDM			RAdeg	6.57031000		DEdeg	-42.30516389		EpRA 1990	1.59
EpDE 1990	1.69		E RAdeg	3.2		E DEdeg	3.2		Posflg
Corr	-0.1

SAO	215093		DelFlag			RA1950			PmRA1950	0.0187
DE1950			PmDE1950	-0.39		Vmag	2.4		SpType	K0
Double code			Source	74		CatNum	12		DM	CD-42 116
DMcomp			BDsup			HD	2261		M HD	0
GC	519		RA1950rad	0.1039219		DE1950rad	-0.74311537		PmRA2000	0.0189
PmDE2000	-0.395

Catalog	H		HIP	2081		Proxy			RAhms	00 26 16.87
DEdms	-42 18 18.4		Vmag	2.4		VarFlag			R Vmag	G
RAdeg	6.57028		DEdeg	-42.3051		AstroRef			Plx	42.14
CCDM	00263-4218		N CCDM	I		Nsys	1		Ncomp	1
MultFlag	G		Source			Qual			M HIP
Theta			Rho			HD	2261		BD
CD	CD-42 116		CP	CP-42 34		Dm number	-42 116		VIred	1.11
SpType	K0III...		R SpType			Coord arcsec 2000	002616.87-421818.4

HIP	2081		Sn	1		So	1		Nc	1
RArad	0.1146730467		DErad	-0.7383636553		Plx	38.5		PmRA	233.05
PmDE	-356.3		E RArad	0.49		E DErad	0.52		E Plx	0.73
E pmRA	0.65		E pmDE	0.74		Hpmag	2.5512		E Hpmag	0.0005
SHp	0.004		VA	0		BV	1.083		E BV	0.016
VI	1.11

Ccdm	00263-4218		RComp			Comp	A		Note1
Note2	@		Discov num			DRAs	-0.97		DDEs	-21.8
R dRAs	5		Year			Theta			Rho
Obs	1		Vmag	2.4		Sp	K0		PmNote
PmRA	203		PmDE	-396		Dm number	-42 116		Cat1	CD
Name2	215093		Cat2	SAO		HD	2261		M HD
ADS BDS			M ADS BDS			N IDS	*		IDS	00213S4251
HIC	2081

Coord arcsec 2000	002626.08-422024.8		Mag	9.4		PmRA	30.00		PmDE	2.0
Calc delta mag	7		Calc coord	yes