Exposure
ID
GRAVI.2025-04-02T09:00:49.967_1
Header ID
GRAVI.2025-04-02T09:00:49.967
Date updated
2025-04-02 09:11:15 UTC+0000
Release date
2025-04-02 09:00:49 UTC+0000
UTC Start
2025-04-02 09:00:49.967
UTC End
2025-04-02 09:03:29.967
MJD Start
60767.37557832
MJD End
60767.37743017186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005118
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.79
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 67.0850 67.2250 264.9000 265.3000
K0-D0 95.0740 95.2000 244.3000 244.7000
K0-J3 55.4510 55.5160 327.5610 327.8390
G2-D0 39.9870 39.9870 208.1000 208.5000
G2-J3 64.4790 64.4900 35.0990 35.4970
D0-J3 104.2840 104.2940 32.4330 32.8260
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 60767.37557832
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 67.085
HIERARCH ESO ISS PBL12 END 67.225
HIERARCH ESO ISS PBLA12 START 264.9
HIERARCH ESO ISS PBLA12 END 265.3
HIERARCH ESO ISS PBL13 START 95.074
HIERARCH ESO ISS PBL13 END 95.2
HIERARCH ESO ISS PBLA13 START 244.3
HIERARCH ESO ISS PBLA13 END 244.7
HIERARCH ESO ISS PBL14 START 55.451
HIERARCH ESO ISS PBL14 END 55.516
HIERARCH ESO ISS PBLA14 START 327.561
HIERARCH ESO ISS PBLA14 END 327.839
HIERARCH ESO ISS PBL23 START 39.987
HIERARCH ESO ISS PBL23 END 39.987
HIERARCH ESO ISS PBLA23 START 208.1
HIERARCH ESO ISS PBLA23 END 208.5
HIERARCH ESO ISS PBL24 START 64.479
HIERARCH ESO ISS PBL24 END 64.49
HIERARCH ESO ISS PBLA24 START 35.099
HIERARCH ESO ISS PBLA24 END 35.497
HIERARCH ESO ISS PBL34 START 104.284
HIERARCH ESO ISS PBL34 END 104.294
HIERARCH ESO ISS PBLA34 START 32.433
HIERARCH ESO ISS PBLA34 END 32.826
HIERARCH ESO ISS AMBI TAU0 START 0.005118
HIERARCH ESO ISS AMBI TAU0 END 0.005118
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79