Exposure
- ID
- GRAVI.2024-07-25T03:59:22.080_2
- Header ID
- GRAVI.2024-07-25T03:59:22.080
- Date updated
- 2024-07-25 04:15:32 UTC+0000
- Release date
- 2025-07-25 04:15:32 UTC+0000
- UTC Start
- 2024-07-25 03:59:22.080
- UTC End
- 2024-07-25 04:06:02.080
- MJD Start
- 60516.16622778
- MJD End
- 60516.1708574096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002929
- Ambient temperature (°C)
- 13.42
- Seeing (arcsec)
- 0.835
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 54.4590 | 54.2160 | 35.5000 | 35.9000 |
| U1-U3 | 97.6870 | 97.1240 | 41.8000 | 42.3000 |
| U1-U4 | 119.9410 | 118.6280 | 71.1610 | 71.7930 |
| U2-U3 | 43.9720 | 43.6470 | 49.6000 | 50.1000 |
| U2-U4 | 82.1190 | 81.1540 | 93.9300 | 94.8250 |
| U3-U4 | 59.2310 | 58.7890 | 125.1570 | 126.3080 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60516.16622778 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.417088 |
| DEC | -29.0074 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 54.459 |
| HIERARCH ESO ISS PBL12 END | 54.216 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 97.687 |
| HIERARCH ESO ISS PBL13 END | 97.124 |
| HIERARCH ESO ISS PBLA13 START | 41.8 |
| HIERARCH ESO ISS PBLA13 END | 42.3 |
| HIERARCH ESO ISS PBL14 START | 119.941 |
| HIERARCH ESO ISS PBL14 END | 118.628 |
| HIERARCH ESO ISS PBLA14 START | 71.161 |
| HIERARCH ESO ISS PBLA14 END | 71.793 |
| HIERARCH ESO ISS PBL23 START | 43.972 |
| HIERARCH ESO ISS PBL23 END | 43.647 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 50.1 |
| HIERARCH ESO ISS PBL24 START | 82.119 |
| HIERARCH ESO ISS PBL24 END | 81.154 |
| HIERARCH ESO ISS PBLA24 START | 93.93 |
| HIERARCH ESO ISS PBLA24 END | 94.825 |
| HIERARCH ESO ISS PBL34 START | 59.231 |
| HIERARCH ESO ISS PBL34 END | 58.789 |
| HIERARCH ESO ISS PBLA34 START | 125.157 |
| HIERARCH ESO ISS PBLA34 END | 126.308 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002535 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003323 |
| HIERARCH ESO ISS AMBI TEMP | 13.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |