Exposure
- ID
- GRAVI.2025-08-16T07:11:29.231_1
- Header ID
- GRAVI.2025-08-16T07:11:29.231
- Date updated
- 2025-08-16 07:20:58 UTC+0000
- Release date
- 2026-08-16 07:20:58 UTC+0000
- UTC Start
- 2025-08-16 07:11:29.231
- UTC End
- 2025-08-16 07:14:09.231
- MJD Start
- 60903.29964388
- MJD End
- 60903.30149573185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027080000000000003
- Ambient temperature (°C)
- 9.43
- Seeing (arcsec)
- 1.2
Observation
- ID
- 70034
- Category
- science
- Program ID
- 113.26BP.001
- Program Title
- HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
- Program Type
- Normal
- PI / COI
- GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
- ID
- 51959
- Name
- eta_And
- RA
- 14.301399
- DEC
- 23.41739
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-G2 | 67.3050 | 67.4410 | 276.0000 | 275.7000 |
| K0-D0 | 86.9550 | 87.4240 | 261.2000 | 261.0000 |
| K0-J3 | 46.5880 | 46.3460 | 320.5190 | 320.5920 |
| G2-D0 | 27.8070 | 28.0390 | 223.1000 | 223.3000 |
| G2-J3 | 47.2010 | 47.6110 | 52.2370 | 52.3300 |
| D0-J3 | 74.7870 | 75.4320 | 48.8580 | 48.9960 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26BP.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60903.29964388 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | eta_And |
| HIERARCH ESO INS SOBJ NAME | eta_And |
| RA | 14.301399 |
| DEC | 23.41739 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 67.305 |
| HIERARCH ESO ISS PBL12 END | 67.441 |
| HIERARCH ESO ISS PBLA12 START | 276.0 |
| HIERARCH ESO ISS PBLA12 END | 275.7 |
| HIERARCH ESO ISS PBL13 START | 86.955 |
| HIERARCH ESO ISS PBL13 END | 87.424 |
| HIERARCH ESO ISS PBLA13 START | 261.2 |
| HIERARCH ESO ISS PBLA13 END | 261.0 |
| HIERARCH ESO ISS PBL14 START | 46.588 |
| HIERARCH ESO ISS PBL14 END | 46.346 |
| HIERARCH ESO ISS PBLA14 START | 320.519 |
| HIERARCH ESO ISS PBLA14 END | 320.592 |
| HIERARCH ESO ISS PBL23 START | 27.807 |
| HIERARCH ESO ISS PBL23 END | 28.039 |
| HIERARCH ESO ISS PBLA23 START | 223.1 |
| HIERARCH ESO ISS PBLA23 END | 223.3 |
| HIERARCH ESO ISS PBL24 START | 47.201 |
| HIERARCH ESO ISS PBL24 END | 47.611 |
| HIERARCH ESO ISS PBLA24 START | 52.237 |
| HIERARCH ESO ISS PBLA24 END | 52.33 |
| HIERARCH ESO ISS PBL34 START | 74.787 |
| HIERARCH ESO ISS PBL34 END | 75.432 |
| HIERARCH ESO ISS PBLA34 START | 48.858 |
| HIERARCH ESO ISS PBLA34 END | 48.996 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002821 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002595 |
| HIERARCH ESO ISS AMBI TEMP | 9.43 |
| HIERARCH ESO ISS AMBI FWHM START | 1.27 |
| HIERARCH ESO ISS AMBI FWHM END | 1.13 |