Exposure
- ID
- GRAVI.2022-05-23T03:52:12.259_2
- Header ID
- GRAVI.2022-05-23T03:52:12.259
- Date updated
- 2022-05-23 04:05:44 UTC+0000
- Release date
- 2023-05-23 04:05:43 UTC+0000
- UTC Start
- 2022-05-23 03:52:12.259
- UTC End
- 2022-05-23 03:57:32.259
- MJD Start
- 59722.161253
- MJD End
- 59722.1649567037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051665
- Ambient temperature (°C)
- 11.32
- Seeing (arcsec)
- 0.715
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.002
- 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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2830 | 56.2980 | 6.4000 | 7.3000 |
| U1-U3 | 101.1230 | 101.1980 | 11.8000 | 12.7000 |
| U1-U4 | 119.6040 | 120.2830 | 37.0950 | 38.2120 |
| U2-U3 | 45.3840 | 45.4590 | 18.4000 | 19.3000 |
| U2-U4 | 76.7570 | 77.6110 | 59.0540 | 60.1230 |
| U3-U4 | 51.6540 | 52.4100 | 94.0010 | 94.6360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59722.161253 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.283 |
| HIERARCH ESO ISS PBL12 END | 56.298 |
| HIERARCH ESO ISS PBLA12 START | 6.4 |
| HIERARCH ESO ISS PBLA12 END | 7.3 |
| HIERARCH ESO ISS PBL13 START | 101.123 |
| HIERARCH ESO ISS PBL13 END | 101.198 |
| HIERARCH ESO ISS PBLA13 START | 11.8 |
| HIERARCH ESO ISS PBLA13 END | 12.7 |
| HIERARCH ESO ISS PBL14 START | 119.604 |
| HIERARCH ESO ISS PBL14 END | 120.283 |
| HIERARCH ESO ISS PBLA14 START | 37.095 |
| HIERARCH ESO ISS PBLA14 END | 38.212 |
| HIERARCH ESO ISS PBL23 START | 45.384 |
| HIERARCH ESO ISS PBL23 END | 45.459 |
| HIERARCH ESO ISS PBLA23 START | 18.4 |
| HIERARCH ESO ISS PBLA23 END | 19.3 |
| HIERARCH ESO ISS PBL24 START | 76.757 |
| HIERARCH ESO ISS PBL24 END | 77.611 |
| HIERARCH ESO ISS PBLA24 START | 59.054 |
| HIERARCH ESO ISS PBLA24 END | 60.123 |
| HIERARCH ESO ISS PBL34 START | 51.654 |
| HIERARCH ESO ISS PBL34 END | 52.41 |
| HIERARCH ESO ISS PBLA34 START | 94.001 |
| HIERARCH ESO ISS PBLA34 END | 94.636 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005577 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004756 |
| HIERARCH ESO ISS AMBI TEMP | 11.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |