Exposure
- ID
- GRAVI.2025-05-13T00:07:23.180_2
- Header ID
- GRAVI.2025-05-13T00:07:23.180
- Date updated
- 2025-05-13 06:41:45 UTC+0000
- Release date
- 2026-05-13 06:41:44 UTC+0000
- UTC Start
- 2025-05-13 00:07:23.180
- UTC End
- 2025-05-13 00:12:43.180
- MJD Start
- 60808.0051294
- MJD End
- 60808.008833103704
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067785
- Ambient temperature (°C)
- 17.86
- Seeing (arcsec)
- 0.81
Observation
- ID
- 67282
- Category
- science
- Program ID
- 115.29EJ.001
- Program Title
- FOLLOW-UP OF A BROWN DWARF CANDIDATE IN THE DISK GAP AROUND HD 100546
- Program Type
- ToO
- PI / COI
- BLAKELY / STOLKER / KAMMERER / BENISTY / BERGER / THOMPSON / JOHNSTONE
Target
- ID
- 50023
- Name
- HD_100546
- RA
- 173.356
- DEC
- -70.19478916666667
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 | 44.5160 | 44.3820 | 27.0000 | 28.0000 |
| U1-U3 | 84.0340 | 83.7610 | 33.8000 | 34.9000 |
| U1-U4 | 124.2920 | 124.0140 | 58.4100 | 59.6540 |
| U2-U3 | 40.1800 | 40.0490 | 41.4000 | 42.5000 |
| U2-U4 | 89.3430 | 89.3090 | 73.4430 | 74.7580 |
| U3-U4 | 59.2620 | 59.4220 | 94.5360 | 95.8430 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29EJ.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.0051294 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.361985 |
| DEC | -70.19489 |
| 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 | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 44.516 |
| HIERARCH ESO ISS PBL12 END | 44.382 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 28.0 |
| HIERARCH ESO ISS PBL13 START | 84.034 |
| HIERARCH ESO ISS PBL13 END | 83.761 |
| HIERARCH ESO ISS PBLA13 START | 33.8 |
| HIERARCH ESO ISS PBLA13 END | 34.9 |
| HIERARCH ESO ISS PBL14 START | 124.292 |
| HIERARCH ESO ISS PBL14 END | 124.014 |
| HIERARCH ESO ISS PBLA14 START | 58.41 |
| HIERARCH ESO ISS PBLA14 END | 59.654 |
| HIERARCH ESO ISS PBL23 START | 40.18 |
| HIERARCH ESO ISS PBL23 END | 40.049 |
| HIERARCH ESO ISS PBLA23 START | 41.4 |
| HIERARCH ESO ISS PBLA23 END | 42.5 |
| HIERARCH ESO ISS PBL24 START | 89.343 |
| HIERARCH ESO ISS PBL24 END | 89.309 |
| HIERARCH ESO ISS PBLA24 START | 73.443 |
| HIERARCH ESO ISS PBLA24 END | 74.758 |
| HIERARCH ESO ISS PBL34 START | 59.262 |
| HIERARCH ESO ISS PBL34 END | 59.422 |
| HIERARCH ESO ISS PBLA34 START | 94.536 |
| HIERARCH ESO ISS PBLA34 END | 95.843 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007183 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006374 |
| HIERARCH ESO ISS AMBI TEMP | 17.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |