Filter Profile Service
A repository of Filter information for the VO

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_MvB4220.04220.035435014741.44038.2TYCHO TYCHO B, revised by Mann & von Braun 2014
TYCHO/TYCHO.B_bes4221.14221.135215012686.43916.2TYCHO TYCHO B, Bessell 2000 calibration
X
TYCHO/TYCHO.B_bes
Filter Description

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

 
Mathematical properties

Property Calculated Specified Unit
λmean (?) : 4221.09 ------- (Angstrom)
λcen (?) : 4211.00 ------- (Angstrom)
λeff (?) : 4221.11 ------- (Angstrom)
λpeak (?) : 4350.00 ------- (Angstrom)
λpivot (?) : 4196.91 ------- (Angstrom)
λphot (?) : 4235.15 ------- (Angstrom)
λmin (?) : 3520.83 ------- (Angstrom)
λmax (?) : 5012.50 ------- (Angstrom)
Weff (?) : 686.36 ------- (Angstrom)
FWHM (?) : 688.99 ------- (Angstrom)
Af/AV (?) : 1.36 ------- ()
Fsun (?) : ------- ------- (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 (?) : ------- 6.589e-9(erg/cm2/s/A)
  ------- 3916.19(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.B_bes/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 6.109e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.B_bes/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 2158.04(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.B_bes/ST
 


Filter added: 2014-11-21 05:15:20
Last update: 2020-03-23 12:58:04
TYCHO/TYCHO.B4280.04280.035364973708.43894.3TYCHO TYCHO B
TYCHO/TYCHO.V5340.05340.0457366901005.73653.9TYCHO TYCHO V
TYCHO/TYCHO.V_bes5346.65266.4455567081063.73640.4TYCHO TYCHO V, Bessell 2000 calibration
TYCHO/TYCHO.V_MvB5350.05350.0451967691133.63846.7TYCHO TYCHO V, revised by Mann & von Braun 2014
 

Filter Plots

© SVO,   6376 filters available,   Last update: 2020-08-12
 
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 SVO Filter Profile Service (http://svo2.cab.inta-csic.es/theory/fps/) supported from the Spanish MINECO through grant AYA2017-84089

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