Exposure
ID
GRAVI.2025-04-11T08:10:18.606_1
Header ID
GRAVI.2025-04-11T08:10:18.606
Date updated
2025-04-11 08:20:38 UTC+0000
Release date
2025-04-11 08:10:18 UTC+0000
UTC Start
2025-04-11 08:10:18.606
UTC End
2025-04-11 08:10:50.606
MJD Start
60776.34049313
MJD End
60776.34086350037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.003555
Ambient temperature (°C)
12.4
Seeing (arcsec)
0.74
Observation
ID
66257
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49321
Name
HD_137730
RA
232.383492
DEC
-46.90749
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.3900 50.3510 37.1000 37.2000
U1-U3 91.2480 91.1670 44.2000 44.3000
U1-U4 119.8850 119.7630 74.8960 75.0330
U2-U3 41.7160 41.6750 52.8000 52.9000
U2-U4 85.8260 85.7640 95.9900 96.1470
U3-U4 62.3260 62.3170 123.2460 123.4040
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 60776.34049313
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 137730
HIERARCH ESO INS SOBJ NAME HD_137730
RA 232.383492
DEC -46.90749
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 50.39
HIERARCH ESO ISS PBL12 END 50.351
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 91.248
HIERARCH ESO ISS PBL13 END 91.167
HIERARCH ESO ISS PBLA13 START 44.2
HIERARCH ESO ISS PBLA13 END 44.3
HIERARCH ESO ISS PBL14 START 119.885
HIERARCH ESO ISS PBL14 END 119.763
HIERARCH ESO ISS PBLA14 START 74.896
HIERARCH ESO ISS PBLA14 END 75.033
HIERARCH ESO ISS PBL23 START 41.716
HIERARCH ESO ISS PBL23 END 41.675
HIERARCH ESO ISS PBLA23 START 52.8
HIERARCH ESO ISS PBLA23 END 52.9
HIERARCH ESO ISS PBL24 START 85.826
HIERARCH ESO ISS PBL24 END 85.764
HIERARCH ESO ISS PBLA24 START 95.99
HIERARCH ESO ISS PBLA24 END 96.147
HIERARCH ESO ISS PBL34 START 62.326
HIERARCH ESO ISS PBL34 END 62.317
HIERARCH ESO ISS PBLA34 START 123.246
HIERARCH ESO ISS PBLA34 END 123.404
HIERARCH ESO ISS AMBI TAU0 START 0.003555
HIERARCH ESO ISS AMBI TAU0 END 0.003555
HIERARCH ESO ISS AMBI TEMP 12.4
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.68