Exposure
- ID
- GRAVI.2021-05-23T04:20:48.130_2
- Header ID
- GRAVI.2021-05-23T04:20:48.130
- Date updated
- 2021-05-23 04:35:16 UTC+0000
- Release date
- 2022-05-23 04:35:16 UTC+0000
- UTC Start
- 2021-05-23 04:20:48.130
- UTC End
- 2021-05-23 04:26:08.130
- MJD Start
- 59357.18111261
- MJD End
- 59357.1848163137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072785
- Ambient temperature (°C)
- 11.82
- Seeing (arcsec)
- 0.305
Observation
- ID
- 47451
- Category
- science
- Program ID
- 105.20B2.002
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 56.3690 | 56.3880 | 10.6000 | 11.4000 |
| U1-U3 | 101.5330 | 101.6160 | 16.3000 | 17.1000 |
| U1-U4 | 123.0210 | 123.6430 | 42.6280 | 43.6300 |
| U2-U3 | 45.7800 | 45.8570 | 23.3000 | 24.2000 |
| U2-U4 | 80.9410 | 81.6750 | 64.2930 | 65.2300 |
| U3-U4 | 55.2750 | 55.8910 | 97.2200 | 97.8290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.18111261 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 56.369 |
| HIERARCH ESO ISS PBL12 END | 56.388 |
| HIERARCH ESO ISS PBLA12 START | 10.6 |
| HIERARCH ESO ISS PBLA12 END | 11.4 |
| HIERARCH ESO ISS PBL13 START | 101.533 |
| HIERARCH ESO ISS PBL13 END | 101.616 |
| HIERARCH ESO ISS PBLA13 START | 16.3 |
| HIERARCH ESO ISS PBLA13 END | 17.1 |
| HIERARCH ESO ISS PBL14 START | 123.021 |
| HIERARCH ESO ISS PBL14 END | 123.643 |
| HIERARCH ESO ISS PBLA14 START | 42.628 |
| HIERARCH ESO ISS PBLA14 END | 43.63 |
| HIERARCH ESO ISS PBL23 START | 45.78 |
| HIERARCH ESO ISS PBL23 END | 45.857 |
| HIERARCH ESO ISS PBLA23 START | 23.3 |
| HIERARCH ESO ISS PBLA23 END | 24.2 |
| HIERARCH ESO ISS PBL24 START | 80.941 |
| HIERARCH ESO ISS PBL24 END | 81.675 |
| HIERARCH ESO ISS PBLA24 START | 64.293 |
| HIERARCH ESO ISS PBLA24 END | 65.23 |
| HIERARCH ESO ISS PBL34 START | 55.275 |
| HIERARCH ESO ISS PBL34 END | 55.891 |
| HIERARCH ESO ISS PBLA34 START | 97.22 |
| HIERARCH ESO ISS PBLA34 END | 97.829 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00709 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007467 |
| HIERARCH ESO ISS AMBI TEMP | 11.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |