Exposure
ID
GRAVI.2025-04-02T08:57:31.959_1
Header ID
GRAVI.2025-04-02T08:57:31.959
Date updated
2025-04-02 09:11:15 UTC+0000
Release date
2025-04-02 08:57:31 UTC+0000
UTC Start
2025-04-02 08:57:31.959
UTC End
2025-04-02 09:00:11.959
MJD Start
60767.37328656
MJD End
60767.37513841186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005118
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.8200000000000001
Observation
ID
66007
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
49137
Name
HD_162415
RA
268.070982
DEC
-31.32825
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 66.9190 67.0680 264.5000 264.9000
K0-D0 94.9220 95.0590 243.8000 244.3000
K0-J3 55.3750 55.4430 327.2510 327.5280
G2-D0 39.9860 39.9870 207.7000 208.1000
G2-J3 64.4640 64.4770 34.6470 35.0520
D0-J3 104.2680 104.2820 31.9870 32.3860
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 60767.37328656
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.070982
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 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 66.919
HIERARCH ESO ISS PBL12 END 67.068
HIERARCH ESO ISS PBLA12 START 264.5
HIERARCH ESO ISS PBLA12 END 264.9
HIERARCH ESO ISS PBL13 START 94.922
HIERARCH ESO ISS PBL13 END 95.059
HIERARCH ESO ISS PBLA13 START 243.8
HIERARCH ESO ISS PBLA13 END 244.3
HIERARCH ESO ISS PBL14 START 55.375
HIERARCH ESO ISS PBL14 END 55.443
HIERARCH ESO ISS PBLA14 START 327.251
HIERARCH ESO ISS PBLA14 END 327.528
HIERARCH ESO ISS PBL23 START 39.986
HIERARCH ESO ISS PBL23 END 39.987
HIERARCH ESO ISS PBLA23 START 207.7
HIERARCH ESO ISS PBLA23 END 208.1
HIERARCH ESO ISS PBL24 START 64.464
HIERARCH ESO ISS PBL24 END 64.477
HIERARCH ESO ISS PBLA24 START 34.647
HIERARCH ESO ISS PBLA24 END 35.052
HIERARCH ESO ISS PBL34 START 104.268
HIERARCH ESO ISS PBL34 END 104.282
HIERARCH ESO ISS PBLA34 START 31.987
HIERARCH ESO ISS PBLA34 END 32.386
HIERARCH ESO ISS AMBI TAU0 START 0.005118
HIERARCH ESO ISS AMBI TAU0 END 0.005118
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.79