Exposure
- ID
- GRAVI.2021-05-23T08:02:39.689_1
- Header ID
- GRAVI.2021-05-23T08:02:39.689
- Date updated
- 2021-05-23 08:15:30 UTC+0000
- Release date
- 2022-05-23 08:15:30 UTC+0000
- UTC Start
- 2021-05-23 08:02:39.689
- UTC End
- 2021-05-23 08:07:59.689
- MJD Start
- 59357.33518158
- MJD End
- 59357.3388852837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075485
- Ambient temperature (°C)
- 11.43
- Seeing (arcsec)
- 0.245
Observation
- ID
- 47450
- 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
- 35589
- Name
- S2
- RA
- 266.416924
- DEC
- -29.00736
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.6360 | 54.4460 | 35.1000 | 35.5000 |
| U1-U3 | 98.0960 | 97.6560 | 41.4000 | 41.8000 |
| U1-U4 | 120.8960 | 119.8680 | 70.6680 | 71.1960 |
| U2-U3 | 44.2080 | 43.9540 | 49.2000 | 49.7000 |
| U2-U4 | 82.8220 | 82.0640 | 93.2490 | 93.9800 |
| U3-U4 | 59.5550 | 59.2050 | 124.2910 | 125.2220 |
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 | 59357.33518158 |
| 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 | 54.636 |
| HIERARCH ESO ISS PBL12 END | 54.446 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 98.096 |
| HIERARCH ESO ISS PBL13 END | 97.656 |
| HIERARCH ESO ISS PBLA13 START | 41.4 |
| HIERARCH ESO ISS PBLA13 END | 41.8 |
| HIERARCH ESO ISS PBL14 START | 120.896 |
| HIERARCH ESO ISS PBL14 END | 119.868 |
| HIERARCH ESO ISS PBLA14 START | 70.668 |
| HIERARCH ESO ISS PBLA14 END | 71.196 |
| HIERARCH ESO ISS PBL23 START | 44.208 |
| HIERARCH ESO ISS PBL23 END | 43.954 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.7 |
| HIERARCH ESO ISS PBL24 START | 82.822 |
| HIERARCH ESO ISS PBL24 END | 82.064 |
| HIERARCH ESO ISS PBLA24 START | 93.249 |
| HIERARCH ESO ISS PBLA24 END | 93.98 |
| HIERARCH ESO ISS PBL34 START | 59.555 |
| HIERARCH ESO ISS PBL34 END | 59.205 |
| HIERARCH ESO ISS PBLA34 START | 124.291 |
| HIERARCH ESO ISS PBLA34 END | 125.222 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007177 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00792 |
| HIERARCH ESO ISS AMBI TEMP | 11.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.25 |
| HIERARCH ESO ISS AMBI FWHM END | 0.24 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |