Exposure
ID
GRAVI.2025-05-26T04:19:23.283_1
Header ID
GRAVI.2025-05-26T04:19:23.283
Date updated
2025-05-26 04:30:51 UTC+0000
Release date
2025-05-26 04:19:23 UTC+0000
UTC Start
2025-05-26 04:19:23.283
UTC End
2025-05-26 04:22:03.283
MJD Start
60821.18013059
MJD End
60821.181982441856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0036655000000000004
Ambient temperature (°C)
11.85
Seeing (arcsec)
0.675
Observation
ID
67585
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50264
Name
HD_162415
RA
268.06838
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.5320 80.9740 102.3000 102.6000
A0-J2 116.3580 116.9580 76.3000 76.8000
A0-K0 119.8480 120.2440 53.2950 53.8210
G1-J2 56.2830 56.3830 37.6000 38.2000
G1-K0 90.4130 90.4200 11.0900 11.5010
J2-K0 47.3090 47.3540 338.9660 339.2120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60821.18013059
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.06838
DEC -31.32825
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 80.532
HIERARCH ESO ISS PBL12 END 80.974
HIERARCH ESO ISS PBLA12 START 102.3
HIERARCH ESO ISS PBLA12 END 102.6
HIERARCH ESO ISS PBL13 START 116.358
HIERARCH ESO ISS PBL13 END 116.958
HIERARCH ESO ISS PBLA13 START 76.3
HIERARCH ESO ISS PBLA13 END 76.8
HIERARCH ESO ISS PBL14 START 119.848
HIERARCH ESO ISS PBL14 END 120.244
HIERARCH ESO ISS PBLA14 START 53.295
HIERARCH ESO ISS PBLA14 END 53.821
HIERARCH ESO ISS PBL23 START 56.283
HIERARCH ESO ISS PBL23 END 56.383
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 90.413
HIERARCH ESO ISS PBL24 END 90.42
HIERARCH ESO ISS PBLA24 START 11.09
HIERARCH ESO ISS PBLA24 END 11.501
HIERARCH ESO ISS PBL34 START 47.309
HIERARCH ESO ISS PBL34 END 47.354
HIERARCH ESO ISS PBLA34 START 338.966
HIERARCH ESO ISS PBLA34 END 339.212
HIERARCH ESO ISS AMBI TAU0 START 0.003892
HIERARCH ESO ISS AMBI TAU0 END 0.003439
HIERARCH ESO ISS AMBI TEMP 11.85
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.69