Exposure
ID
GRAVI.2025-04-29T06:41:55.354_1
Header ID
GRAVI.2025-04-29T06:41:55.354
Date updated
2025-04-29 06:50:55 UTC+0000
Release date
2025-04-29 06:41:55 UTC+0000
UTC Start
2025-04-29 06:41:55.354
UTC End
2025-04-29 06:44:35.354
MJD Start
60794.27911289
MJD End
60794.280964741854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0050785
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.44999999999999996
Observation
ID
67043
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
49851
Name
HD_162415
RA
268.068381
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 85.2620 85.5800 106.2000 106.5000
A0-J2 122.8070 123.2410 81.7000 82.1000
A0-K0 124.1530 124.4440 59.3940 59.8590
G1-J2 57.3840 57.4580 43.7000 44.1000
G1-K0 90.4810 90.4830 16.0220 16.4130
J2-K0 47.7750 47.8050 342.1310 342.4020
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 60794.27911289
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.068381
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 85.262
HIERARCH ESO ISS PBL12 END 85.58
HIERARCH ESO ISS PBLA12 START 106.2
HIERARCH ESO ISS PBLA12 END 106.5
HIERARCH ESO ISS PBL13 START 122.807
HIERARCH ESO ISS PBL13 END 123.241
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 124.153
HIERARCH ESO ISS PBL14 END 124.444
HIERARCH ESO ISS PBLA14 START 59.394
HIERARCH ESO ISS PBLA14 END 59.859
HIERARCH ESO ISS PBL23 START 57.384
HIERARCH ESO ISS PBL23 END 57.458
HIERARCH ESO ISS PBLA23 START 43.7
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 90.481
HIERARCH ESO ISS PBL24 END 90.483
HIERARCH ESO ISS PBLA24 START 16.022
HIERARCH ESO ISS PBLA24 END 16.413
HIERARCH ESO ISS PBL34 START 47.775
HIERARCH ESO ISS PBL34 END 47.805
HIERARCH ESO ISS PBLA34 START 342.131
HIERARCH ESO ISS PBLA34 END 342.402
HIERARCH ESO ISS AMBI TAU0 START 0.005316
HIERARCH ESO ISS AMBI TAU0 END 0.004841
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.47