Exposure
- ID
- GRAVI.2023-07-05T03:35:37.307_2
- Header ID
- GRAVI.2023-07-05T03:35:37.307
- Date updated
- 2023-07-05 03:50:28 UTC+0000
- Release date
- 2024-07-05 03:50:28 UTC+0000
- UTC Start
- 2023-07-05 03:35:37.307
- UTC End
- 2023-07-05 03:41:37.307
- MJD Start
- 60130.14973735
- MJD End
- 60130.1539040167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002206
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 1.525
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 56.4360 | 56.3920 | 25.9000 | 26.6000 |
| U1-U3 | 102.2420 | 102.1490 | 32.2000 | 33.0000 |
| U1-U4 | 130.1420 | 130.0210 | 60.2720 | 61.0310 |
| U2-U3 | 46.5720 | 46.5250 | 39.9000 | 40.7000 |
| U2-U4 | 89.4280 | 89.3890 | 81.1440 | 81.9290 |
| U3-U4 | 62.4370 | 62.4680 | 110.5670 | 111.3450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60130.14973735 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.436 |
| HIERARCH ESO ISS PBL12 END | 56.392 |
| HIERARCH ESO ISS PBLA12 START | 25.9 |
| HIERARCH ESO ISS PBLA12 END | 26.6 |
| HIERARCH ESO ISS PBL13 START | 102.242 |
| HIERARCH ESO ISS PBL13 END | 102.149 |
| HIERARCH ESO ISS PBLA13 START | 32.2 |
| HIERARCH ESO ISS PBLA13 END | 33.0 |
| HIERARCH ESO ISS PBL14 START | 130.142 |
| HIERARCH ESO ISS PBL14 END | 130.021 |
| HIERARCH ESO ISS PBLA14 START | 60.272 |
| HIERARCH ESO ISS PBLA14 END | 61.031 |
| HIERARCH ESO ISS PBL23 START | 46.572 |
| HIERARCH ESO ISS PBL23 END | 46.525 |
| HIERARCH ESO ISS PBLA23 START | 39.9 |
| HIERARCH ESO ISS PBLA23 END | 40.7 |
| HIERARCH ESO ISS PBL24 START | 89.428 |
| HIERARCH ESO ISS PBL24 END | 89.389 |
| HIERARCH ESO ISS PBLA24 START | 81.144 |
| HIERARCH ESO ISS PBLA24 END | 81.929 |
| HIERARCH ESO ISS PBL34 START | 62.437 |
| HIERARCH ESO ISS PBL34 END | 62.468 |
| HIERARCH ESO ISS PBLA34 START | 110.567 |
| HIERARCH ESO ISS PBLA34 END | 111.345 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001952 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00246 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 1.53 |
| HIERARCH ESO ISS AMBI FWHM END | 1.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |