Exposure
ID
GRAVI.2025-04-02T08:22:43.870_1
Header ID
GRAVI.2025-04-02T08:22:43.870
Date updated
2025-04-02 08:30:55 UTC+0000
Release date
2025-04-02 08:22:43 UTC+0000
UTC Start
2025-04-02 08:22:43.870
UTC End
2025-04-02 08:25:23.870
MJD Start
60767.34911886
MJD End
60767.35097071186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004994500000000001
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.605
Observation
ID
66005
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
49135
Name
HD_157097
RA
260.728267
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8030 66.9480 262.4000 262.9000
K0-D0 95.2920 95.3930 242.3000 242.7000
K0-J3 53.9960 54.0930 325.8700 326.1680
G2-D0 39.8750 39.8600 207.0000 207.4000
G2-J3 64.4630 64.4480 33.8630 34.2930
D0-J3 104.1630 104.1320 31.2550 31.6770
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 60767.34911886
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.728267
DEC -37.22101
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.803
HIERARCH ESO ISS PBL12 END 66.948
HIERARCH ESO ISS PBLA12 START 262.4
HIERARCH ESO ISS PBLA12 END 262.9
HIERARCH ESO ISS PBL13 START 95.292
HIERARCH ESO ISS PBL13 END 95.393
HIERARCH ESO ISS PBLA13 START 242.3
HIERARCH ESO ISS PBLA13 END 242.7
HIERARCH ESO ISS PBL14 START 53.996
HIERARCH ESO ISS PBL14 END 54.093
HIERARCH ESO ISS PBLA14 START 325.87
HIERARCH ESO ISS PBLA14 END 326.168
HIERARCH ESO ISS PBL23 START 39.875
HIERARCH ESO ISS PBL23 END 39.86
HIERARCH ESO ISS PBLA23 START 207.0
HIERARCH ESO ISS PBLA23 END 207.4
HIERARCH ESO ISS PBL24 START 64.463
HIERARCH ESO ISS PBL24 END 64.448
HIERARCH ESO ISS PBLA24 START 33.863
HIERARCH ESO ISS PBLA24 END 34.293
HIERARCH ESO ISS PBL34 START 104.163
HIERARCH ESO ISS PBL34 END 104.132
HIERARCH ESO ISS PBLA34 START 31.255
HIERARCH ESO ISS PBLA34 END 31.677
HIERARCH ESO ISS AMBI TAU0 START 0.004844
HIERARCH ESO ISS AMBI TAU0 END 0.005145
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.62