Exposure
- ID
- GRAVI.2021-06-25T07:10:18.849_2
- Header ID
- GRAVI.2021-06-25T07:10:18.849
- Date updated
- 2021-06-25 07:25:14 UTC+0000
- Release date
- 2022-06-25 07:25:14 UTC+0000
- UTC Start
- 2021-06-25 07:10:18.849
- UTC End
- 2021-06-25 07:15:38.849
- MJD Start
- 59390.29882927
- MJD End
- 59390.3025329737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067625
- Ambient temperature (°C)
- 10.55
- Seeing (arcsec)
- 0.53
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 | 51.1290 | 50.7860 | 39.6000 | 39.8000 |
| U1-U3 | 90.0490 | 89.2720 | 45.7000 | 45.9000 |
| U1-U4 | 102.4600 | 100.7200 | 77.4430 | 77.9240 |
| U2-U3 | 39.6000 | 39.1590 | 53.7000 | 53.9000 |
| U2-U4 | 69.5890 | 68.3860 | 104.2570 | 105.2140 |
| U3-U4 | 53.9320 | 53.4790 | 138.7910 | 140.0510 |
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 | 59390.29882927 |
| 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 | 51.129 |
| HIERARCH ESO ISS PBL12 END | 50.786 |
| HIERARCH ESO ISS PBLA12 START | 39.6 |
| HIERARCH ESO ISS PBLA12 END | 39.8 |
| HIERARCH ESO ISS PBL13 START | 90.049 |
| HIERARCH ESO ISS PBL13 END | 89.272 |
| HIERARCH ESO ISS PBLA13 START | 45.7 |
| HIERARCH ESO ISS PBLA13 END | 45.9 |
| HIERARCH ESO ISS PBL14 START | 102.46 |
| HIERARCH ESO ISS PBL14 END | 100.72 |
| HIERARCH ESO ISS PBLA14 START | 77.443 |
| HIERARCH ESO ISS PBLA14 END | 77.924 |
| HIERARCH ESO ISS PBL23 START | 39.6 |
| HIERARCH ESO ISS PBL23 END | 39.159 |
| HIERARCH ESO ISS PBLA23 START | 53.7 |
| HIERARCH ESO ISS PBLA23 END | 53.9 |
| HIERARCH ESO ISS PBL24 START | 69.589 |
| HIERARCH ESO ISS PBL24 END | 68.386 |
| HIERARCH ESO ISS PBLA24 START | 104.257 |
| HIERARCH ESO ISS PBLA24 END | 105.214 |
| HIERARCH ESO ISS PBL34 START | 53.932 |
| HIERARCH ESO ISS PBL34 END | 53.479 |
| HIERARCH ESO ISS PBLA34 START | 138.791 |
| HIERARCH ESO ISS PBLA34 END | 140.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007155 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00637 |
| HIERARCH ESO ISS AMBI TEMP | 10.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |