Exposure
ID
GRAVI.2025-04-30T09:34:38.113_1
Header ID
GRAVI.2025-04-30T09:34:38.113
Date updated
2025-04-30 09:45:46 UTC+0000
Release date
2025-04-30 09:34:38 UTC+0000
UTC Start
2025-04-30 09:34:38.113
UTC End
2025-04-30 09:37:18.113
MJD Start
60795.39905223
MJD End
60795.40090408186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.64
Observation
ID
67068
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
49868
Name
HD_162415
RA
268.069681
DEC
-31.32825
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6310 48.6250 163.0000 163.4000
A0-J2 121.9530 121.4900 105.6000 106.1000
A0-J6 162.9210 162.6150 35.0440 35.2770
B5-J2 104.1490 103.6900 82.4000 82.8000
B5-J6 196.6110 196.4030 23.7980 24.0480
J2-J6 167.9050 167.9120 351.8110 352.1810
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 60795.39905223
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.069681
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.631
HIERARCH ESO ISS PBL12 END 48.625
HIERARCH ESO ISS PBLA12 START 163.0
HIERARCH ESO ISS PBLA12 END 163.4
HIERARCH ESO ISS PBL13 START 121.953
HIERARCH ESO ISS PBL13 END 121.49
HIERARCH ESO ISS PBLA13 START 105.6
HIERARCH ESO ISS PBLA13 END 106.1
HIERARCH ESO ISS PBL14 START 162.921
HIERARCH ESO ISS PBL14 END 162.615
HIERARCH ESO ISS PBLA14 START 35.044
HIERARCH ESO ISS PBLA14 END 35.277
HIERARCH ESO ISS PBL23 START 104.149
HIERARCH ESO ISS PBL23 END 103.69
HIERARCH ESO ISS PBLA23 START 82.4
HIERARCH ESO ISS PBLA23 END 82.8
HIERARCH ESO ISS PBL24 START 196.611
HIERARCH ESO ISS PBL24 END 196.403
HIERARCH ESO ISS PBLA24 START 23.798
HIERARCH ESO ISS PBLA24 END 24.048
HIERARCH ESO ISS PBL34 START 167.905
HIERARCH ESO ISS PBL34 END 167.912
HIERARCH ESO ISS PBLA34 START 351.811
HIERARCH ESO ISS PBLA34 END 352.181
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64