Exposure
- ID
- GRAVI.2023-07-04T04:46:04.035_2
- Header ID
- GRAVI.2023-07-04T04:46:04.035
- Date updated
- 2023-07-04 05:00:44 UTC+0000
- Release date
- 2024-07-04 05:00:44 UTC+0000
- UTC Start
- 2023-07-04 04:46:04.035
- UTC End
- 2023-07-04 04:52:04.035
- MJD Start
- 60129.19865781
- MJD End
- 60129.2028244767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004095
- Ambient temperature (°C)
- 12.12
- Seeing (arcsec)
- 1.125
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 | 55.5370 | 55.3890 | 32.4000 | 32.9000 |
| U1-U3 | 100.1920 | 99.8480 | 38.8000 | 39.3000 |
| U1-U4 | 125.8010 | 124.9990 | 67.4650 | 68.1020 |
| U2-U3 | 45.4190 | 45.2200 | 46.6000 | 47.1000 |
| U2-U4 | 86.4510 | 85.8580 | 89.1250 | 89.9070 |
| U3-U4 | 61.2520 | 60.9740 | 119.2210 | 120.1560 |
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 | 60129.19865781 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| 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 | 55.537 |
| HIERARCH ESO ISS PBL12 END | 55.389 |
| HIERARCH ESO ISS PBLA12 START | 32.4 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 100.192 |
| HIERARCH ESO ISS PBL13 END | 99.848 |
| HIERARCH ESO ISS PBLA13 START | 38.8 |
| HIERARCH ESO ISS PBLA13 END | 39.3 |
| HIERARCH ESO ISS PBL14 START | 125.801 |
| HIERARCH ESO ISS PBL14 END | 124.999 |
| HIERARCH ESO ISS PBLA14 START | 67.465 |
| HIERARCH ESO ISS PBLA14 END | 68.102 |
| HIERARCH ESO ISS PBL23 START | 45.419 |
| HIERARCH ESO ISS PBL23 END | 45.22 |
| HIERARCH ESO ISS PBLA23 START | 46.6 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 86.451 |
| HIERARCH ESO ISS PBL24 END | 85.858 |
| HIERARCH ESO ISS PBLA24 START | 89.125 |
| HIERARCH ESO ISS PBLA24 END | 89.907 |
| HIERARCH ESO ISS PBL34 START | 61.252 |
| HIERARCH ESO ISS PBL34 END | 60.974 |
| HIERARCH ESO ISS PBLA34 START | 119.221 |
| HIERARCH ESO ISS PBLA34 END | 120.156 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004159 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004031 |
| HIERARCH ESO ISS AMBI TEMP | 12.12 |
| HIERARCH ESO ISS AMBI FWHM START | 1.09 |
| HIERARCH ESO ISS AMBI FWHM END | 1.16 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |