Exposure
- ID
- GRAVI.2023-07-06T01:02:52.444_2
- Header ID
- GRAVI.2023-07-06T01:02:52.444
- Date updated
- 2023-07-06 01:15:41 UTC+0000
- Release date
- 2023-07-06 01:02:52 UTC+0000
- UTC Start
- 2023-07-06 01:02:52.444
- UTC End
- 2023-07-06 01:08:52.444
- MJD Start
- 60131.04366255
- MJD End
- 60131.0478292167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031505
- Ambient temperature (°C)
- 13.63
- Seeing (arcsec)
- 0.805
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 | 56.2900 | 56.3070 | 6.8000 | 7.7000 |
| U1-U3 | 101.1580 | 101.2440 | 12.2000 | 13.2000 |
| U1-U4 | 119.9170 | 120.6840 | 37.6090 | 38.8620 |
| U2-U3 | 45.4190 | 45.5050 | 18.8000 | 19.9000 |
| U2-U4 | 77.1520 | 78.1090 | 59.5450 | 60.7410 |
| U3-U4 | 52.0040 | 52.8460 | 94.2910 | 95.0060 |
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 | 60131.04366255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.29 |
| HIERARCH ESO ISS PBL12 END | 56.307 |
| HIERARCH ESO ISS PBLA12 START | 6.8 |
| HIERARCH ESO ISS PBLA12 END | 7.7 |
| HIERARCH ESO ISS PBL13 START | 101.158 |
| HIERARCH ESO ISS PBL13 END | 101.244 |
| HIERARCH ESO ISS PBLA13 START | 12.2 |
| HIERARCH ESO ISS PBLA13 END | 13.2 |
| HIERARCH ESO ISS PBL14 START | 119.917 |
| HIERARCH ESO ISS PBL14 END | 120.684 |
| HIERARCH ESO ISS PBLA14 START | 37.609 |
| HIERARCH ESO ISS PBLA14 END | 38.862 |
| HIERARCH ESO ISS PBL23 START | 45.419 |
| HIERARCH ESO ISS PBL23 END | 45.505 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.9 |
| HIERARCH ESO ISS PBL24 START | 77.152 |
| HIERARCH ESO ISS PBL24 END | 78.109 |
| HIERARCH ESO ISS PBLA24 START | 59.545 |
| HIERARCH ESO ISS PBLA24 END | 60.741 |
| HIERARCH ESO ISS PBL34 START | 52.004 |
| HIERARCH ESO ISS PBL34 END | 52.846 |
| HIERARCH ESO ISS PBLA34 START | 94.291 |
| HIERARCH ESO ISS PBLA34 END | 95.006 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003486 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002815 |
| HIERARCH ESO ISS AMBI TEMP | 13.63 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |