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TYCHO :The Tycho-2 Catalogue is an astrometric reference catalogue containing positions, proper motions and two-colour photometry for the 2.5 million brightest stars in the sky. The catalogue is based on observations made using the Hipparcos satellite
TYCHO/TYCHO :TYCHO filters

TYCHO/TYCHO.B_MvB4194.964220.394219.083543.205014.00741.393887.246.62e-9TYCHO TYCHO B, revised by Mann & von Braun 2014
TYCHO/TYCHO.B_bes4196.914221.094221.113520.835012.50686.363916.196.59e-9TYCHO TYCHO B, Bessell 2000 calibration
TYCHO/TYCHO.B4280.004280.004280.003535.794973.00708.433843.856.51e-9TYCHO TYCHO B
TYCHO/TYCHO.V5340.005340.005340.004572.646690.201005.673653.893.98e-9TYCHO TYCHO V
TYCHO/TYCHO.V_bes5301.295346.615266.434555.366708.331063.673640.373.93e-9TYCHO TYCHO V, Bessell 2000 calibration
X
TYCHO/TYCHO.V_bes
Filter Description

Filter ID (?) :TYCHO/TYCHO.V_bes
Description (?) :TYCHO V, Bessell 2000 calibration
Phot.System (?) :TYCHO
Detector Type (?) :Energy counter
Band Name (?) :------
Obs. Facility (?) :TYCHO
Instrument (?) :------
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 5301.29 ------- (Angstrom)
λmean (?) : 5346.61 ------- (Angstrom)
λcen (?) : 5269.38 ------- (Angstrom)
λeff (?) : 5266.43 ------- (Angstrom)
λpeak (?) : 5100.00 ------- (Angstrom)
λpivot (?) : 5301.29 ------- (Angstrom)
λphot (?) : 5295.59 ------- (Angstrom)
λmin (?) : 4555.36 ------- (Angstrom)
λmax (?) : 6708.33 ------- (Angstrom)
Weff (?) : 1063.67 ------- (Angstrom)
FWHM (?) : 1034.01 ------- (Angstrom)
Af/AV (?) : 1.06 ------- ()
Fsun (?) : 188.01 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Bessell 2000

Transmission components: Filter + Instrument

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.9349e-9(erg/cm2/s/A)
  ------- 3640.37(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V_bes/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.92477e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V_bes/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 3359.22(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V_bes/ST
 


Filter added: 2014-11-21 05:16:13
Last update: 2020-12-10 16:34:18
TYCHO/TYCHO.V_MvB5300.195352.175258.484519.236769.201133.553692.283.94e-9TYCHO TYCHO V, revised by Mann & von Braun 2014
 

Filter Plots

© SVO,   (SVO Privacy Policy),   10594 filters available,   Last update: 2022-06-22
 
If your research benefits from the use of the SVO Filter Profile Service, we would appreciate if you could include the following acknowledgement in your publication:

This research has made use of the Spanish Virtual Observatory (https://svo.cab.inta-csic.es) project funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

and we would appreciate if you could include the following references in your publication: