Exposure
ID
GRAVI.2025-04-02T08:09:19.835_1
Header ID
GRAVI.2025-04-02T08:09:19.835
Date updated
2025-04-02 08:21:03 UTC+0000
Release date
2025-04-02 08:09:19 UTC+0000
UTC Start
2025-04-02 08:09:19.835
UTC End
2025-04-02 08:11:59.835
MJD Start
60767.33981291
MJD End
60767.34166476186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005424999999999999
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.625
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 66.0660 66.2410 260.3000 260.7000
K0-D0 94.7450 94.8780 240.0000 240.5000
K0-J3 53.5290 53.6370 324.5550 324.8420
G2-D0 39.9280 39.9180 205.2000 205.6000
G2-J3 64.5030 64.4980 31.8850 32.3280
D0-J3 104.2610 104.2450 29.3150 29.7490
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 60767.33981291
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 66.066
HIERARCH ESO ISS PBL12 END 66.241
HIERARCH ESO ISS PBLA12 START 260.3
HIERARCH ESO ISS PBLA12 END 260.7
HIERARCH ESO ISS PBL13 START 94.745
HIERARCH ESO ISS PBL13 END 94.878
HIERARCH ESO ISS PBLA13 START 240.0
HIERARCH ESO ISS PBLA13 END 240.5
HIERARCH ESO ISS PBL14 START 53.529
HIERARCH ESO ISS PBL14 END 53.637
HIERARCH ESO ISS PBLA14 START 324.555
HIERARCH ESO ISS PBLA14 END 324.842
HIERARCH ESO ISS PBL23 START 39.928
HIERARCH ESO ISS PBL23 END 39.918
HIERARCH ESO ISS PBLA23 START 205.2
HIERARCH ESO ISS PBLA23 END 205.6
HIERARCH ESO ISS PBL24 START 64.503
HIERARCH ESO ISS PBL24 END 64.498
HIERARCH ESO ISS PBLA24 START 31.885
HIERARCH ESO ISS PBLA24 END 32.328
HIERARCH ESO ISS PBL34 START 104.261
HIERARCH ESO ISS PBL34 END 104.245
HIERARCH ESO ISS PBLA34 START 29.315
HIERARCH ESO ISS PBLA34 END 29.749
HIERARCH ESO ISS AMBI TAU0 START 0.005305
HIERARCH ESO ISS AMBI TAU0 END 0.005545
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.61