Exposure
- ID
- GRAVI.2025-08-07T04:44:59.443_1
- Header ID
- GRAVI.2025-08-07T04:44:59.443
- Date updated
- 2025-08-07 04:50:49 UTC+0000
- Release date
- 2025-08-07 04:44:59 UTC+0000
- UTC Start
- 2025-08-07 04:44:59.443
- UTC End
- 2025-08-07 04:45:31.443
- MJD Start
- 60894.19791022
- MJD End
- 60894.19828059037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075455
- Ambient temperature (°C)
- 13.07
- Seeing (arcsec)
- 0.7
Observation
- ID
- 69354
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 51548
- Name
- HD_197900
- RA
- 312.079924
- DEC
- -44.19677
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.5120 | 53.4890 | 29.5000 | 29.6000 |
| U1-U3 | 97.3550 | 97.3060 | 36.1000 | 36.2000 |
| U1-U4 | 127.2570 | 127.1910 | 64.5520 | 64.6840 |
| U2-U3 | 44.6320 | 44.6070 | 44.1000 | 44.2000 |
| U2-U4 | 88.9480 | 88.9240 | 84.7780 | 84.9210 |
| U3-U4 | 62.3250 | 62.3350 | 112.6160 | 112.7570 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60894.19791022 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 197900 |
| HIERARCH ESO INS SOBJ NAME | HD_197900 |
| RA | 312.079924 |
| DEC | -44.19677 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 53.512 |
| HIERARCH ESO ISS PBL12 END | 53.489 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 29.6 |
| HIERARCH ESO ISS PBL13 START | 97.355 |
| HIERARCH ESO ISS PBL13 END | 97.306 |
| HIERARCH ESO ISS PBLA13 START | 36.1 |
| HIERARCH ESO ISS PBLA13 END | 36.2 |
| HIERARCH ESO ISS PBL14 START | 127.257 |
| HIERARCH ESO ISS PBL14 END | 127.191 |
| HIERARCH ESO ISS PBLA14 START | 64.552 |
| HIERARCH ESO ISS PBLA14 END | 64.684 |
| HIERARCH ESO ISS PBL23 START | 44.632 |
| HIERARCH ESO ISS PBL23 END | 44.607 |
| HIERARCH ESO ISS PBLA23 START | 44.1 |
| HIERARCH ESO ISS PBLA23 END | 44.2 |
| HIERARCH ESO ISS PBL24 START | 88.948 |
| HIERARCH ESO ISS PBL24 END | 88.924 |
| HIERARCH ESO ISS PBLA24 START | 84.778 |
| HIERARCH ESO ISS PBLA24 END | 84.921 |
| HIERARCH ESO ISS PBL34 START | 62.325 |
| HIERARCH ESO ISS PBL34 END | 62.335 |
| HIERARCH ESO ISS PBLA34 START | 112.616 |
| HIERARCH ESO ISS PBLA34 END | 112.757 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007068 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008023 |
| HIERARCH ESO ISS AMBI TEMP | 13.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |