Exposure
- ID
- GRAVI.2022-05-22T06:22:29.472_2
- Header ID
- GRAVI.2022-05-22T06:22:29.472
- Date updated
- 2022-05-22 06:31:18 UTC+0000
- Release date
- 2023-05-22 06:31:18 UTC+0000
- UTC Start
- 2022-05-22 06:22:29.472
- UTC End
- 2022-05-22 06:24:09.472
- MJD Start
- 59721.26561889
- MJD End
- 59721.2667762974
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002879
- Ambient temperature (°C)
- 9.31
- Seeing (arcsec)
- 0.69
Observation
- ID
- 50943
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37994
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076472222222
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 | 56.4660 | 56.4530 | 25.4000 | 25.6000 |
| U1-U3 | 102.3010 | 102.2760 | 31.7000 | 32.0000 |
| U1-U4 | 130.1940 | 130.1750 | 59.6850 | 59.9600 |
| U2-U3 | 46.6000 | 46.5880 | 39.4000 | 39.7000 |
| U2-U4 | 89.4200 | 89.4280 | 80.5430 | 80.8230 |
| U3-U4 | 62.3890 | 62.4130 | 109.9840 | 110.2550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59721.26561889 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416894 |
| DEC | -29.00715 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.466 |
| HIERARCH ESO ISS PBL12 END | 56.453 |
| HIERARCH ESO ISS PBLA12 START | 25.4 |
| HIERARCH ESO ISS PBLA12 END | 25.6 |
| HIERARCH ESO ISS PBL13 START | 102.301 |
| HIERARCH ESO ISS PBL13 END | 102.276 |
| HIERARCH ESO ISS PBLA13 START | 31.7 |
| HIERARCH ESO ISS PBLA13 END | 32.0 |
| HIERARCH ESO ISS PBL14 START | 130.194 |
| HIERARCH ESO ISS PBL14 END | 130.175 |
| HIERARCH ESO ISS PBLA14 START | 59.685 |
| HIERARCH ESO ISS PBLA14 END | 59.96 |
| HIERARCH ESO ISS PBL23 START | 46.6 |
| HIERARCH ESO ISS PBL23 END | 46.588 |
| HIERARCH ESO ISS PBLA23 START | 39.4 |
| HIERARCH ESO ISS PBLA23 END | 39.7 |
| HIERARCH ESO ISS PBL24 START | 89.42 |
| HIERARCH ESO ISS PBL24 END | 89.428 |
| HIERARCH ESO ISS PBLA24 START | 80.543 |
| HIERARCH ESO ISS PBLA24 END | 80.823 |
| HIERARCH ESO ISS PBL34 START | 62.389 |
| HIERARCH ESO ISS PBL34 END | 62.413 |
| HIERARCH ESO ISS PBLA34 START | 109.984 |
| HIERARCH ESO ISS PBLA34 END | 110.255 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002991 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002767 |
| HIERARCH ESO ISS AMBI TEMP | 9.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.107 |
| HIERARCH ESO FT ROBJ DELTA | -290027.530 |