Exposure
ID
GRAVI.2025-11-23T00:36:41.236_1
Header ID
GRAVI.2025-11-23T00:36:41.236
Date updated
2025-11-23 00:46:04 UTC+0000
Release date
2025-11-23 00:36:41 UTC+0000
UTC Start
2025-11-23 00:36:41.236
UTC End
2025-11-23 00:37:00.436
MJD Start
61002.02547727
MJD End
61002.025699492224
Exposure time (s)
19.2
Validation level
1
Tau 0: Coherence time (s)
0.003821
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.97
Observation
ID
71826
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
53324
Name
HD_787
RA
3.039577
DEC
-17.93842
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.4780 48.4710 150.5000 150.5000
A0-D0 31.9120 31.9200 70.4000 70.4000
A0-G1 90.4940 90.4890 115.0880 115.1500
B5-D0 53.2500 53.2530 6.6000 6.7000
B5-G1 58.1810 58.1890 86.2490 86.3100
D0-G1 71.4340 71.4250 133.4050 133.4740
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 61002.02547727
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 787
HIERARCH ESO INS SOBJ NAME HD_787
RA 3.039577
DEC -17.93842
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 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 50.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 48.478
HIERARCH ESO ISS PBL12 END 48.471
HIERARCH ESO ISS PBLA12 START 150.5
HIERARCH ESO ISS PBLA12 END 150.5
HIERARCH ESO ISS PBL13 START 31.912
HIERARCH ESO ISS PBL13 END 31.92
HIERARCH ESO ISS PBLA13 START 70.4
HIERARCH ESO ISS PBLA13 END 70.4
HIERARCH ESO ISS PBL14 START 90.494
HIERARCH ESO ISS PBL14 END 90.489
HIERARCH ESO ISS PBLA14 START 115.088
HIERARCH ESO ISS PBLA14 END 115.15
HIERARCH ESO ISS PBL23 START 53.25
HIERARCH ESO ISS PBL23 END 53.253
HIERARCH ESO ISS PBLA23 START 6.6
HIERARCH ESO ISS PBLA23 END 6.7
HIERARCH ESO ISS PBL24 START 58.181
HIERARCH ESO ISS PBL24 END 58.189
HIERARCH ESO ISS PBLA24 START 86.249
HIERARCH ESO ISS PBLA24 END 86.31
HIERARCH ESO ISS PBL34 START 71.434
HIERARCH ESO ISS PBL34 END 71.425
HIERARCH ESO ISS PBLA34 START 133.405
HIERARCH ESO ISS PBLA34 END 133.474
HIERARCH ESO ISS AMBI TAU0 START 0.003821
HIERARCH ESO ISS AMBI TAU0 END 0.003821
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97