Exposure
ID
GRAVI.2025-05-26T04:29:23.309_1
Header ID
GRAVI.2025-05-26T04:29:23.309
Date updated
2025-05-26 04:40:53 UTC+0000
Release date
2025-05-26 04:29:23 UTC+0000
UTC Start
2025-05-26 04:29:23.309
UTC End
2025-05-26 04:32:03.309
MJD Start
60821.18707533
MJD End
60821.18892718186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0048445
Ambient temperature (°C)
11.67
Seeing (arcsec)
0.5800000000000001
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 81.9850 82.3940 103.3000 103.6000
A0-J2 118.3320 118.8890 77.9000 78.3000
A0-K0 121.1550 121.5260 55.0480 55.5550
G1-J2 56.6150 56.7100 39.4000 39.9000
G1-K0 90.4370 90.4440 12.4690 12.8750
J2-K0 47.4550 47.4950 339.8030 340.0560
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 60821.18707533
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 81.985
HIERARCH ESO ISS PBL12 END 82.394
HIERARCH ESO ISS PBLA12 START 103.3
HIERARCH ESO ISS PBLA12 END 103.6
HIERARCH ESO ISS PBL13 START 118.332
HIERARCH ESO ISS PBL13 END 118.889
HIERARCH ESO ISS PBLA13 START 77.9
HIERARCH ESO ISS PBLA13 END 78.3
HIERARCH ESO ISS PBL14 START 121.155
HIERARCH ESO ISS PBL14 END 121.526
HIERARCH ESO ISS PBLA14 START 55.048
HIERARCH ESO ISS PBLA14 END 55.555
HIERARCH ESO ISS PBL23 START 56.615
HIERARCH ESO ISS PBL23 END 56.71
HIERARCH ESO ISS PBLA23 START 39.4
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 90.437
HIERARCH ESO ISS PBL24 END 90.444
HIERARCH ESO ISS PBLA24 START 12.469
HIERARCH ESO ISS PBLA24 END 12.875
HIERARCH ESO ISS PBL34 START 47.455
HIERARCH ESO ISS PBL34 END 47.495
HIERARCH ESO ISS PBLA34 START 339.803
HIERARCH ESO ISS PBLA34 END 340.056
HIERARCH ESO ISS AMBI TAU0 START 0.004565
HIERARCH ESO ISS AMBI TAU0 END 0.005124
HIERARCH ESO ISS AMBI TEMP 11.67
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.55