Exposure
- ID
- GRAVI.2021-06-25T05:07:48.540_2
- Header ID
- GRAVI.2021-06-25T05:07:48.540
- Date updated
- 2021-06-25 05:25:26 UTC+0000
- Release date
- 2022-06-25 05:25:26 UTC+0000
- UTC Start
- 2021-06-25 05:07:48.540
- UTC End
- 2021-06-25 05:13:08.540
- MJD Start
- 59390.21375625
- MJD End
- 59390.2174599537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054155
- Ambient temperature (°C)
- 10.5
- Seeing (arcsec)
- 0.495
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 | 55.7740 | 55.6620 | 31.4000 | 31.9000 |
| U1-U3 | 100.7430 | 100.4830 | 37.8000 | 38.3000 |
| U1-U4 | 127.0720 | 126.4750 | 66.2970 | 66.8770 |
| U2-U3 | 45.7360 | 45.5870 | 45.5000 | 46.1000 |
| U2-U4 | 87.3840 | 86.9460 | 87.7270 | 88.4140 |
| U3-U4 | 61.6860 | 61.4830 | 117.5880 | 118.3850 |
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 | 59390.21375625 |
| 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 | 55.774 |
| HIERARCH ESO ISS PBL12 END | 55.662 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 31.9 |
| HIERARCH ESO ISS PBL13 START | 100.743 |
| HIERARCH ESO ISS PBL13 END | 100.483 |
| HIERARCH ESO ISS PBLA13 START | 37.8 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 127.072 |
| HIERARCH ESO ISS PBL14 END | 126.475 |
| HIERARCH ESO ISS PBLA14 START | 66.297 |
| HIERARCH ESO ISS PBLA14 END | 66.877 |
| HIERARCH ESO ISS PBL23 START | 45.736 |
| HIERARCH ESO ISS PBL23 END | 45.587 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 46.1 |
| HIERARCH ESO ISS PBL24 START | 87.384 |
| HIERARCH ESO ISS PBL24 END | 86.946 |
| HIERARCH ESO ISS PBLA24 START | 87.727 |
| HIERARCH ESO ISS PBLA24 END | 88.414 |
| HIERARCH ESO ISS PBL34 START | 61.686 |
| HIERARCH ESO ISS PBL34 END | 61.483 |
| HIERARCH ESO ISS PBLA34 START | 117.588 |
| HIERARCH ESO ISS PBLA34 END | 118.385 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00578 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005051 |
| HIERARCH ESO ISS AMBI TEMP | 10.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |