Exposure
ID
GRAVI.2025-05-06T23:49:11.668_1
Header ID
GRAVI.2025-05-06T23:49:11.668
Date updated
2025-05-06 23:55:53 UTC+0000
Release date
2025-05-06 23:49:11 UTC+0000
UTC Start
2025-05-06 23:49:11.668
UTC End
2025-05-06 23:49:43.668
MJD Start
60801.99249616
MJD End
60801.99286653037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.007302
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.42
Observation
ID
67070
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49870
Name
HD_81799
RA
141.826987
DEC
-22.34467
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.3950 48.3870 155.9000 156.0000
A0-J2 127.5760 127.5030 96.7000 96.7000
A0-J6 169.5530 169.5400 29.7910 29.8670
B5-J2 110.8970 110.8440 74.6000 74.7000
B5-J6 201.8780 201.8760 18.6190 18.7010
J2-J6 167.4060 167.3940 345.3000 345.4000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60801.99249616
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 81799
HIERARCH ESO INS SOBJ NAME HD_81799
RA 141.826987
DEC -22.34467
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 48.395
HIERARCH ESO ISS PBL12 END 48.387
HIERARCH ESO ISS PBLA12 START 155.9
HIERARCH ESO ISS PBLA12 END 156.0
HIERARCH ESO ISS PBL13 START 127.576
HIERARCH ESO ISS PBL13 END 127.503
HIERARCH ESO ISS PBLA13 START 96.7
HIERARCH ESO ISS PBLA13 END 96.7
HIERARCH ESO ISS PBL14 START 169.553
HIERARCH ESO ISS PBL14 END 169.54
HIERARCH ESO ISS PBLA14 START 29.791
HIERARCH ESO ISS PBLA14 END 29.867
HIERARCH ESO ISS PBL23 START 110.897
HIERARCH ESO ISS PBL23 END 110.844
HIERARCH ESO ISS PBLA23 START 74.6
HIERARCH ESO ISS PBLA23 END 74.7
HIERARCH ESO ISS PBL24 START 201.878
HIERARCH ESO ISS PBL24 END 201.876
HIERARCH ESO ISS PBLA24 START 18.619
HIERARCH ESO ISS PBLA24 END 18.701
HIERARCH ESO ISS PBL34 START 167.406
HIERARCH ESO ISS PBL34 END 167.394
HIERARCH ESO ISS PBLA34 START 345.3
HIERARCH ESO ISS PBLA34 END 345.4
HIERARCH ESO ISS AMBI TAU0 START 0.007302
HIERARCH ESO ISS AMBI TAU0 END 0.007302
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42