Exposure
- ID
- GRAVI.2025-11-09T00:41:31.377_2
- Header ID
- GRAVI.2025-11-09T00:41:31.377
- Date updated
- 2025-11-09 00:51:30 UTC+0000
- Release date
- 2025-11-09 00:51:30 UTC+0000
- UTC Start
- 2025-11-09 00:41:31.377
- UTC End
- 2025-11-09 00:42:03.377
- MJD Start
- 60988.02883538
- MJD End
- 60988.02920575037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004621
- Ambient temperature (°C)
- 14.49
- Seeing (arcsec)
- 0.705
Observation
- ID
- 71275
- Category
- science
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52923
- Name
- P2503_B
- RA
- 351.8082666666666
- DEC
- -50.27871861111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.5650 | 52.5450 | 26.4000 | 26.5000 |
| U1-U3 | 96.2630 | 96.2210 | 33.0000 | 33.1000 |
| U1-U4 | 128.1610 | 128.1170 | 60.2210 | 60.3590 |
| U2-U3 | 44.4460 | 44.4260 | 40.7000 | 40.8000 |
| U2-U4 | 89.4040 | 89.3990 | 79.3150 | 79.4640 |
| U3-U4 | 61.3060 | 61.3310 | 106.2130 | 106.3560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60988.02883538 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P2503_B |
| HIERARCH ESO INS SOBJ NAME | P2503_B |
| RA | 351.803332 |
| DEC | -50.27925 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 50.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 52.565 |
| HIERARCH ESO ISS PBL12 END | 52.545 |
| HIERARCH ESO ISS PBLA12 START | 26.4 |
| HIERARCH ESO ISS PBLA12 END | 26.5 |
| HIERARCH ESO ISS PBL13 START | 96.263 |
| HIERARCH ESO ISS PBL13 END | 96.221 |
| HIERARCH ESO ISS PBLA13 START | 33.0 |
| HIERARCH ESO ISS PBLA13 END | 33.1 |
| HIERARCH ESO ISS PBL14 START | 128.161 |
| HIERARCH ESO ISS PBL14 END | 128.117 |
| HIERARCH ESO ISS PBLA14 START | 60.221 |
| HIERARCH ESO ISS PBLA14 END | 60.359 |
| HIERARCH ESO ISS PBL23 START | 44.446 |
| HIERARCH ESO ISS PBL23 END | 44.426 |
| HIERARCH ESO ISS PBLA23 START | 40.7 |
| HIERARCH ESO ISS PBLA23 END | 40.8 |
| HIERARCH ESO ISS PBL24 START | 89.404 |
| HIERARCH ESO ISS PBL24 END | 89.399 |
| HIERARCH ESO ISS PBLA24 START | 79.315 |
| HIERARCH ESO ISS PBLA24 END | 79.464 |
| HIERARCH ESO ISS PBL34 START | 61.306 |
| HIERARCH ESO ISS PBL34 END | 61.331 |
| HIERARCH ESO ISS PBLA34 START | 106.213 |
| HIERARCH ESO ISS PBLA34 END | 106.356 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004464 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004778 |
| HIERARCH ESO ISS AMBI TEMP | 14.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | P2503_B |
| HIERARCH ESO FT ROBJ ALPHA | 232713.984 |
| HIERARCH ESO FT ROBJ DELTA | -501643.387 |