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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
X
TYCHO/TYCHO.V
Filter Description

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

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 5277.95 5340 (Angstrom)
λmean (?) : 5321.86 5340 (Angstrom)
λcen (?) : 5232.14 ------- (Angstrom)
λeff (?) : 5243.89 5340 (Angstrom)
λpeak (?) : 5050.00 ------- (Angstrom)
λpivot (?) : 5277.95 ------- (Angstrom)
λphot (?) : 5270.94 ------- (Angstrom)
λmin (?) : 4572.64 ------- (Angstrom)
λmax (?) : 6690.20 ------- (Angstrom)
Weff (?) : 1005.67 ------- (Angstrom)
FWHM (?) : 978.26 ------- (Angstrom)
Af/AV (?) : 1.07 ------- ()
Fsun (?) : 189.35 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ADPS

Transmission components: Filter + Instrument

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.98353e-9(erg/cm2/s/A)
  ------- 3653.89(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.95858e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 3330.53(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : TYCHO/TYCHO.V/ST
 

Reference for calibration: Grossmann et al 1995, A&A, 304., 110


Filter added: 2010-04-17 05:58:58
Last update: 2020-12-10 16:34:18
TYCHO/TYCHO.V_bes5301.295346.615266.434555.366708.331063.673640.373.93e-9TYCHO TYCHO V, Bessell 2000 calibration
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: