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Albireo

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}}{{#if:-7.09-5.667| }}{{#if:8.46|}}{{#if:3851188.46|}}{{#if:-2.28/-0.26|}}
Albireo A/B
Position beta Cyg.png
Albireo's position, lower right corner.
The cross-like figure is the Northern Cross.
The blue line shows the boundaries of the constellation the Swan.
Στοιχεία
Εποχή J2000
Αστερισμός Cygnus
Ορθή Αναφορά 19h 30m 43.3s
Απόκλιση +27° 57' 35"
Φαινόμενο Μέγεθος (V) 3.08/5.10
Χαρακτηριστικά
Φασματικός Τύπος (K3 II + B8 V)
Δείκτης Χρώματος B-V 1.13
Δείκτης Χρώματος U-B 0.62
Τύπος Μεταβλητού Αστέρα ?
Astrometry {{#if:-24.0|
Radial velocity (Rv)-24.0 km/s
Proper motion (μ) RA: -7.09 mas/yr
Dec.: -5.667 mas/yr
Parallax (π)8.46{{#if:0.58| ± 0.58 }} mas
Distance{{#if:385118|385|

{{#if:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }}|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} > {{#expr: 3261.5638 / 8.46 }} * 0.1|approx. {{#expr: {{#expr: 3261.5638 / 8.46 }} round {{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }}}}|{{#expr: {{#expr: 3261.5638 / 8.46 }} round {{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }} }} ± {{#expr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} round {{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 3261.5638 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }} }} }} |{{#expr: 3261.5638 / 8.46 }} }} }} ly {{#if:385118||
}}({{#if:385118|118|

{{#if:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }}|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} > {{#expr: 1000.0 / 8.46 }} * 0.1|approx. {{#expr: {{#expr: 1000.0 / 8.46 }} round {{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }}}}|{{#expr: {{#expr: 1000.0 / 8.46 }} round {{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }} }} ± {{#expr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} round {{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.0001|5|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.001|4|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.01|3|{{#ifexpr:{{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 0.1|2|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1.0|1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 10.0|0|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 100.0|-1|{{#ifexpr: {{#if:0.58|{{#expr: 1000.0 * 0.58 / (8.46 * 8.46) }} }} < 1000.0|-2|-3}} }} }} }} }} }} }} }} }} }} |{{#expr: 1000.0 / 8.46 }} }} }} pc)
Absolute magnitude (MV)-2.28/-0.26
Λεπτομέρειες
Μάζα 5/3.3 M☉
Ακτίνα 55.6/3.1 R☉
Φωτεινότητα 950/190 L☉
Θερμοκρασία 4,300/12,100 K
Ποσοστό Μετάλλων ?
Περιστροφή ?/0.6d
Ηλικία ? έτη
Θέση σε αστρικούς Καταλόγους
β Cyg, NSV 12105, 6 Cyg, HR 7417, HD 183912, SAO 87301, BD +27 3410, FK5: 732, WDS 19307+2758A
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