Spatial profiles and scale lengths of nickel, iron, and CN on the interstellar comet 3I/ATLAS

Open Access

Table 1

Best–fit parameters for Ni I, Fe I, and CN.

Atom	A × 10³	l_p (10² km)	l_d (10⁵ km)	Seeing (arcsec)
Ni I	${6.13}_{- 0.04}^{+ 0.05}$ $Mathematical equation: $\[6.13_{-0.04}^{+0.05}\]$$	${3.74}_{- 2.47}^{+ 2.84}$ $Mathematical equation: $\[3.74_{-2.47}^{+2.84}\]$$	${8.26}_{- 1.48}^{+ 2.12}$ $Mathematical equation: $\[8.26_{-1.48}^{+2.12}\]$$	${3.11}_{- 0.17}^{+ 0.17}$ $Mathematical equation: $\[3.11_{-0.17}^{+0.17}\]$$
Ni I *	${6.20}_{- 0.04}^{+ 0.05}$ $Mathematical equation: $\[6.20_{-0.04}^{+0.05}\]$$	${2.92}_{- 1.91}^{+ 2.11}$ $Mathematical equation: $\[2.92_{-1.91}^{+2.11}\]$$	${6.31}_{- 0.95}^{+ 1.27}$ $Mathematical equation: $\[6.31_{-0.95}^{+1.27}\]$$	${4.02}_{- 0.02}^{+ 0.03}$ $Mathematical equation: $\[4.02_{-0.02}^{+0.03}\]$$
Fe I	${6.71}_{- 0.13}^{+ 0.12}$ $Mathematical equation: $\[6.71_{-0.13}^{+0.12}\]$$	${5.08}_{- 3.37}^{+ 3.36}$ $Mathematical equation: $\[5.08_{-3.37}^{+3.36}\]$$	${2.48}_{- 0.42}^{+ 0.57}$ $Mathematical equation: $\[2.48_{-0.42}^{+0.57}\]$$	${3.79}_{- 0.39}^{+ 0.37}$ $Mathematical equation: $\[3.79_{-0.39}^{+0.37}\]$$
Fe I *	${6.99}_{- 0.13}^{+ 0.21}$ $Mathematical equation: $\[6.99_{-0.13}^{+0.21}\]$$	${10.5}_{- 6.59}^{+ 4.06}$ $Mathematical equation: $\[10.5_{-6.59}^{+4.06}\]$$	${1.52}_{- 0.17}^{+ 0.17}$ $Mathematical equation: $\[1.52_{-0.17}^{+0.17}\]$$	${4.26}_{- 0.19}^{+ 0.25}$ $Mathematical equation: $\[4.26_{-0.19}^{+0.25}\]$$

Molecule	Q (10²⁵ s⁻¹)	l_p (10⁴ km)	l_d (10⁵ km)	Seeing (arcsec)

CN	${1.85}_{- 0.01}^{+ 0.01}$ $Mathematical equation: $\[1.85_{-0.01}^{+0.01}\]$$	${4.52}_{- 0.03}^{+ 0.03}$ $Mathematical equation: $\[4.52_{-0.03}^{+0.03}\]$$	${9.60}_{- 0.21}^{+ 0.21}$ $Mathematical equation: $\[9.60_{-0.21}^{+0.21}\]$$	${4.83}_{- 0.13}^{+ 0.11}$ $Mathematical equation: $\[4.83_{-0.13}^{+0.11}\]$$

Notes. Ni I * and Fe I * are the results of the fit in which the l_p assumption was dropped.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.