Exposure
- ID
- GRAVI.2023-06-30T04:55:34.040_2
- Header ID
- GRAVI.2023-06-30T04:55:34.040
- Date updated
- 2023-06-30 05:10:32 UTC+0000
- Release date
- 2023-06-30 04:55:34 UTC+0000
- UTC Start
- 2023-06-30 04:55:34.040
- UTC End
- 2023-06-30 05:01:34.040
- MJD Start
- 60125.20525509
- MJD End
- 60125.2094217567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039675
- Ambient temperature (°C)
- 17.09
- Seeing (arcsec)
- 0.83
Observation
- ID
- 56078
- Category
- calibrator
- 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 | 55.6690 | 55.5320 | 31.9000 | 32.4000 |
| U1-U3 | 100.4990 | 100.1800 | 38.2000 | 38.8000 |
| U1-U4 | 126.5120 | 125.7730 | 66.8400 | 67.4890 |
| U2-U3 | 45.5960 | 45.4120 | 46.0000 | 46.6000 |
| U2-U4 | 86.9740 | 86.4300 | 88.3710 | 89.1530 |
| U3-U4 | 61.4970 | 61.2430 | 118.3340 | 119.2550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60125.20525509 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417078 |
| DEC | -29.00727 |
| 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 | 55.669 |
| HIERARCH ESO ISS PBL12 END | 55.532 |
| HIERARCH ESO ISS PBLA12 START | 31.9 |
| HIERARCH ESO ISS PBLA12 END | 32.4 |
| HIERARCH ESO ISS PBL13 START | 100.499 |
| HIERARCH ESO ISS PBL13 END | 100.18 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 38.8 |
| HIERARCH ESO ISS PBL14 START | 126.512 |
| HIERARCH ESO ISS PBL14 END | 125.773 |
| HIERARCH ESO ISS PBLA14 START | 66.84 |
| HIERARCH ESO ISS PBLA14 END | 67.489 |
| HIERARCH ESO ISS PBL23 START | 45.596 |
| HIERARCH ESO ISS PBL23 END | 45.412 |
| HIERARCH ESO ISS PBLA23 START | 46.0 |
| HIERARCH ESO ISS PBLA23 END | 46.6 |
| HIERARCH ESO ISS PBL24 START | 86.974 |
| HIERARCH ESO ISS PBL24 END | 86.43 |
| HIERARCH ESO ISS PBLA24 START | 88.371 |
| HIERARCH ESO ISS PBLA24 END | 89.153 |
| HIERARCH ESO ISS PBL34 START | 61.497 |
| HIERARCH ESO ISS PBL34 END | 61.243 |
| HIERARCH ESO ISS PBLA34 START | 118.334 |
| HIERARCH ESO ISS PBLA34 END | 119.255 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004398 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003537 |
| HIERARCH ESO ISS AMBI TEMP | 17.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |