Exposure
- ID
- GRAVI.2021-06-25T06:44:00.782_2
- Header ID
- GRAVI.2021-06-25T06:44:00.782
- Date updated
- 2021-06-25 07:00:57 UTC+0000
- Release date
- 2022-06-25 07:00:57 UTC+0000
- UTC Start
- 2021-06-25 06:44:00.782
- UTC End
- 2021-06-25 06:49:20.782
- MJD Start
- 59390.28056461
- MJD End
- 59390.2842683137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007011
- Ambient temperature (°C)
- 10.13
- Seeing (arcsec)
- 0.55
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 52.5530 | 52.2640 | 38.3000 | 38.6000 |
| U1-U3 | 93.2970 | 92.6350 | 44.6000 | 44.8000 |
| U1-U4 | 109.8040 | 108.2970 | 75.2120 | 75.7020 |
| U2-U3 | 41.4510 | 41.0730 | 52.5000 | 52.8000 |
| U2-U4 | 74.7600 | 73.6880 | 100.1730 | 101.0230 |
| U3-U4 | 55.9980 | 55.5550 | 133.3610 | 134.4950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.28056461 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 52.553 |
| HIERARCH ESO ISS PBL12 END | 52.264 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.297 |
| HIERARCH ESO ISS PBL13 END | 92.635 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.8 |
| HIERARCH ESO ISS PBL14 START | 109.804 |
| HIERARCH ESO ISS PBL14 END | 108.297 |
| HIERARCH ESO ISS PBLA14 START | 75.212 |
| HIERARCH ESO ISS PBLA14 END | 75.702 |
| HIERARCH ESO ISS PBL23 START | 41.451 |
| HIERARCH ESO ISS PBL23 END | 41.073 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.76 |
| HIERARCH ESO ISS PBL24 END | 73.688 |
| HIERARCH ESO ISS PBLA24 START | 100.173 |
| HIERARCH ESO ISS PBLA24 END | 101.023 |
| HIERARCH ESO ISS PBL34 START | 55.998 |
| HIERARCH ESO ISS PBL34 END | 55.555 |
| HIERARCH ESO ISS PBLA34 START | 133.361 |
| HIERARCH ESO ISS PBLA34 END | 134.495 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006993 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007029 |
| HIERARCH ESO ISS AMBI TEMP | 10.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |